Term
| What are animals' multicellular bodies held together by? |
|
Definition
|
|
Term
| What are the two types of cells seen on many animals and not seen on other multicellular organisms? |
|
Definition
| Muscle cells and nerve cells |
|
|
Term
| What lead to the adaptations that make animals different from plant and fungi? |
|
Definition
| The ability to move and conduct nerve impulses. |
|
|
Term
| Why are animals thought to belong to the Supergroup Unikonta? |
|
Definition
| Because they have similar myosin proteins and multiple genes, in common with fungi, amoebazoans and choanoflagellates. |
|
|
Term
| What percentage of species do invertebrates account for? |
|
Definition
|
|
Term
| What are the four main categories of Animal tissues? |
|
Definition
| Epithelial Tissues, Connective Tissues, Muscle Tissues, Nervous Tissue |
|
|
Term
| What are five types of Epithelial tissue? |
|
Definition
| Simple Squamous, Simple Cuboidal, Simple Columnar, Stratified Columnar, Psuedostratified Columnar |
|
|
Term
| What are five types of Connective tissue? |
|
Definition
| Loose Connective, Fibrous Connective, Cartilage, Bone, Adipose |
|
|
Term
| What are three types of Muscle Tissues? |
|
Definition
| Skeletal Muscle, Smooth Muscle, Cardiac, Muscle |
|
|
Term
| What is an example of Nervous Tissue? |
|
Definition
|
|
Term
| What Domain/Supergroup/Clade/Kingdom does the Phylum: Porifera belong? |
|
Definition
Domain: Eukarya
Supergroup: Unikonta
Clade: Opisthokonts
Kingdom: Animalia |
|
|
Term
| What characteristic is responsible for the branching off of sponges from other animals? |
|
Definition
| They do not have true tissues. |
|
|
Term
| What level of organization do Porifera demonstrate? |
|
Definition
| cellular-level of organization - individual cells retain a large degree of independence. |
|
|
Term
| What does the word "Porifera" mean? |
|
Definition
| Pore-bearing - since sponges are sacs with a bunch of holes. |
|
|
Term
| What is the name of the flagellated cells seen in sponges? |
|
Definition
|
|
Term
| What characteristics are used to divide the phylum: Porifera into classes? |
|
Definition
| by the canal systems and the type of skeletal structures they possess. |
|
|
Term
| What are the body types of sponges dependent on? |
|
Definition
| The position of the flagellated cells which are called the choanocytes. |
|
|
Term
| What is the name of the central cavity in Sponges? |
|
Definition
|
|
Term
| What is the name of the large opening at the top of a sponge? |
|
Definition
|
|
Term
| What are the three body types found in sponges and where are the flagellated cells in each type? |
|
Definition
Asconoid - flagellated spongocoel
Syconoid - flagellated canals
Leuconoid - flagellated chambers |
|
|
Term
| What are the names of the skeletal structures seen in sponges? |
|
Definition
|
|
Term
| What are spicules made of? |
|
Definition
| calcium carbonate or silica |
|
|
Term
|
Definition
|
|
Term
| What are the classes in the Phylum: Porifera? |
|
Definition
| Calcarea, Hexactinellidae, and Demospongiae |
|
|
Term
| What are the sponge body types found in the Class: Calcarea? |
|
Definition
| Asconoid, Syconoid, Leuconoid |
|
|
Term
| What skeletal type is represented in the Class: Calcarea? |
|
Definition
|
|
Term
| What Class does the organism Grantia belong? |
|
Definition
| It is a marine sponge in the Class: Calcarea |
|
|
Term
| What Class does the calcium sponge belong? |
|
Definition
|
|
Term
| What sponge body types are found in the Class: Hexactinellidae? |
|
Definition
|
|
Term
| What skeletal type is represented in the Class: Hexactinellidae |
|
Definition
|
|
Term
| What Class and Phylum does the organism Euplectella belong? |
|
Definition
| It belongs to the Class: Hexactinellidae in the Phylum: Porifera. It is a Glass Sponge. |
|
|
Term
| What body types are found in the Class Demospongiae? |
|
Definition
|
|
Term
| What skeletal type is represented in the Class: Demospongiae? |
|
Definition
| Silica spicules and/or spongin |
|
|
Term
| What type of digestion do organisms in the Phylum Porifera have? |
|
Definition
| Intracellular, since they do not have a "digestive system" |
|
|
Term
| What type of Asexual Reproduction do organisms in the Phylum Porifera have? |
|
Definition
|
|
Term
| What type of Sexual Reproduction do organisms in the Phylum Porifera use? |
|
Definition
|
|
Term
|
Definition
| They are the incurrent pores found on the body surface of a syconoid sponge. |
|
|
Term
| Where do ostia open into from the surface of a syconoid sponge? |
|
Definition
| canals lined with pinacocytes called incurrent canals. |
|
|
Term
| Where does water exit in the incurrent canals of a syconoid sponge? |
|
Definition
|
|
Term
| After exiting the prosopyle, where does water travel next in a syconoid sponge? |
|
Definition
| Water moves into canals lined with choanocytes called radial canals. |
|
|
Term
| What do choanocytes do in the radial canals of the syconoid sponge? |
|
Definition
| They are used to propel water through the sponge. |
|
|
Term
| After entering the radial canals, where does water travel next in the syconoid sponge? |
|
Definition
| The water exits the radial canals through an opening called the apopyle and enters a large chamber called the spongocoel. |
|
|
Term
| What characteristic is responsible for the branching off of Cnidarians from the other animals? |
|
Definition
| They have radial symmetry |
|
|
Term
| What level of organization do animals in the Phylum: Cnidaria demonstrate? |
|
Definition
| They have a tissue-level of organization. |
|
|
Term
| How many tissue layers do animals in the Phylum: Cnidaria have? |
|
Definition
| They are said to be diploblastic since they have an outer epidermis and an inner endodermis seperated mesoglea. |
|
|
Term
| What two body forms do the organisms in the Phylum: Cnidaria demonstrate? |
|
Definition
|
|
Term
| What is the name of the central cavity in organisms in the Phylum: Cnidaria? |
|
Definition
|
|
Term
| What is the name of the stinging capsule that the organisms in the Phylum: Cnidaria use to capture food and for protection? |
|
Definition
|
|
Term
| What are the classes found in the Phylum: Cnidaria? |
|
Definition
Class: Hydrozoa
Class: Scyphozoa
Class: Anthozoa |
|
|
Term
| What are the characteristics of the Class: Hydrozoa? |
|
Definition
| Majority of species are marine and colonial. Life cycle usually includes both an asexual polyp stage and a sexual medusa stage. |
|
|
Term
| What are the characteristics of the Class: Scyphozoa? |
|
Definition
| Usually a free-swimming medusa stage and a polyp stage that either doesn't exist or is reduced in size. All species are marine. |
|
|
Term
| What is the common name for the class Hydrozoa? |
|
Definition
|
|
Term
| What is the common name for the Class: Scyphozoa? |
|
Definition
|
|
Term
| What is the common name for the Class: Anthozoa? |
|
Definition
|
|
Term
| What are some examples of Anthozoans? |
|
Definition
|
|
Term
| What are the characteristics of the Class: Anthozoa? |
|
Definition
| Polyps only. All species are marine. They may be solitary or colonial. |
|
|
Term
| What type of digestion do organisms in the Phylum: Cnidaria have? |
|
Definition
| Extra and Intra - cellular. |
|
|
Term
| What type of Nervous System do Cnidaria have? |
|
Definition
|
|
Term
| What type of Asexual reproduction do organisms in the Phylum Cnidaria have? |
|
Definition
|
|
Term
| What type of Sexual reproduction do Cnidaria have? |
|
Definition
| Cametes, monoecious or dioceious |
|
|
Term
| What Phylum does the organism Hydra belong? |
|
Definition
|
|
Term
| What Phylum does the organism Obelia belong? |
|
Definition
|
|
Term
| What are some characteristics of the animal Obelia? |
|
Definition
1. Marine
2. Colonial
3. alternation of generations because it alternates between the asexual polyp form and the sexual medusa form. |
|
|
Term
| What is the common name for the Phylum: Ctenophora? |
|
Definition
|
|
Term
| What does the word "Ctenonphore" mean? |
|
Definition
|
|
Term
| How do the organisms in the Phylum: Ctenophores differ from Cnidarians? |
|
Definition
| They contain comb plates w/cilia for movement and tentacles that contain colloblast? to capture prey. |
|
|
Term
| What characteristic is responsible for the branching off of the Platyhelminthes from earlier animals? |
|
Definition
| They do not have a space between the vascular cavity and the muscles, so they are said to be acoelomates. |
|
|
Term
| What level of organization do the organisms in the Phylum: Platyhelminthes demonstrate? |
|
Definition
| Organ system-level of organization |
|
|
Term
|
Definition
|
|
Term
| How many tissue layers do those in the Phylum: Platyhelminthes have? |
|
Definition
| They are triploblastic with an outer epidermis, an inner endodermis and a mesoderm. |
|
|
Term
| What type of digestive system is seen in the Phylum: Platyhelminthes? |
|
Definition
|
|
Term
| What classes are in the Phylum: Platyhelminthes? |
|
Definition
| Turbellarians, Trematoda, Cestoidea |
|
|
Term
| What class does the organism Planaria belong? |
|
Definition
|
|
Term
| What class does the organism Planaria belong? |
|
Definition
|
|
Term
| What is the name of the eyespots found on Turbellarians and what is the function? |
|
Definition
| They are called ocelli and they function in light detection. |
|
|
Term
| What is the name of the bumps on the side of their head and what is their function? |
|
Definition
| They are called auricles and they function as a chemical detector. |
|
|
Term
| What class and Phylum does the Liver Fluke belong? |
|
Definition
| Class: Trematoda Phylum: Platyhelminthes |
|
|
Term
| What is the name on the skin of the Trematoda? |
|
Definition
|
|
Term
| What Class and Phylum do Dog Tapeworms belong? |
|
Definition
| In the Class Cestoidea and Phylum Platyhelminthes |
|
|
Term
| What is the name of the head of a tapeworm? |
|
Definition
|
|
Term
| What is the name of the body parts(segments) of a tapeworm? |
|
Definition
|
|
Term
| What type of Excretory System do organisms in the Phylum Platyhelminthes have? |
|
Definition
| Protonephridia (flame cells) |
|
|
Term
| What type of Nervous system do animals in the Phylum Platyhelminthes have? |
|
Definition
| They have a pair of anterior ganglia with longitudinal nerve cords. |
|
|
Term
| What type of Body Cavity do animals in the Phylum Platyhelminthes have? |
|
Definition
| Acoelomate since they do not have a space between the vascular cavity and the muscles. |
|
|
Term
| What type of Asexual Reproduction do animals in the Phylum Platyhelminthes have? |
|
Definition
| They go through regeneration |
|
|
Term
| What are the sexual reproductive characteristics in animals in the Phylum Platyhelminthes? |
|
Definition
| Gametes, usually monoecious |
|
|
Term
| What Class does the organism Dugesia tigrina belong? |
|
Definition
|
|
Term
| Where is the organism Dugesia tigrina found? |
|
Definition
|
|
Term
| Why is the phylogenic position of the animals in the Phylum Nemertea being debated? |
|
Definition
| Because they have an alimentary canal, a closed circuitry system, and a fluid sac that some suggest may be an early coelom. |
|
|
Term
| What three characteristics do proboscis worms have that are not found in other flatworms> |
|
Definition
| They exhibit an acoelomate body plan but have a fluid sac that some suggest may be an early coelom. |
|
|
Term
| What characteristic is responsible for the branching off of the roundworms (Nematoda) from earlier animals? |
|
Definition
| They were the first to exhibit an alimentary canal. |
|
|
Term
| What level of organization do the organisms in the Phylum Nematoda have? |
|
Definition
| They have an organ system-level of organization |
|
|
Term
| How many tissue layers do the organisms in the Phylum Nematoda have? |
|
Definition
|
|
Term
| What type of digestive system is seen in the animals in the Phylum Nematoda? |
|
Definition
| They have an alimentary canal |
|
|
Term
| What type of muscles do organisms in the Phylum: Nematoda have? |
|
Definition
|
|
Term
| What is the genus name of the Human intestinal worm? |
|
Definition
|
|
Term
| What is the body of Ascaris lumbricoides like? |
|
Definition
| It has long, slender, smooth, unsegmented, pointed at both ends. |
|
|
Term
| What are the characteristics of the male Ascaris lumbricoides? |
|
Definition
| It is usually 6-10 inches and has a curved end that bears bristle-like copulatory spicules near genital pore. |
|
|
Term
| What are the characteristics of the female Ascaris lumbricoides? |
|
Definition
| usually 12-14 inches and they are not curved near the genital port like the male. |
|
|
Term
| Where does the adult Ascaris lumbricoides live? |
|
Definition
| in the small intestine of humans, pigs, and horses. |
|
|
Term
| What is the genus name for the American Hookworm? |
|
Definition
|
|
Term
| What are the characteristics of the male Necator americanus? |
|
Definition
| usually 7-9 mm and have a conspicuous copulatory bursa supported by fleshy rays. |
|
|
Term
| How big are female Necator americanus? |
|
Definition
|
|
Term
| How does Necator americanus infect? |
|
Definition
| it works its way into intestines via lungs |
|
|
Term
| Where is Necator americanus found? |
|
Definition
| Lives in warm climates since the larvae lives in the soil. |
|
|
Term
| What is the genus name for the pork roundworm? |
|
Definition
|
|
Term
| What is the Trichinella spiralis? |
|
Definition
| it is a parasite that can be contracted by eating undercooked or raw meat. |
|
|
Term
| How does the Trichinella spiralis infect? |
|
Definition
| It penetrates the small intestine where the adult female produces young juveniles that burrow into circulatory system which eventually burrow into skeletal muscle and form a cyst. |
|
|
Term
| What is the genus name for the pinworm? |
|
Definition
|
|
Term
| What is the Enterobus vermicularis? |
|
Definition
| It is a common intestinal parasite in children of all nations and social classes. |
|
|
Term
| How does the female Enterobius vermicularis infect? |
|
Definition
| The female worm migrates to anal region and deposits eggs - scratching the area can cause reinfection. |
|
|
Term
| What is a characteristic of the Enterobius vermicularis? |
|
Definition
| It has a clear tail with anus at the end of it. |
|
|
Term
| What is the name of the spiny-headed worm? |
|
Definition
| Macracanthorhynchus hirudinaceus |
|
|
Term
| What is the Macracanthorhynchus hirudinaceus? |
|
Definition
| it is an endoparasite found in pigs and sometimes adult humans. |
|
|
Term
| How does the spiny-headed worm infect the host? |
|
Definition
| It enters the small intestine by a spiny proboscis |
|
|
Term
| Where is the larvae of Macracanthoryhnchus hirudanaceus? |
|
Definition
| found in beetle larvae (grubs) |
|
|
Term
| What is the common name for Tubatrix aceti? |
|
Definition
|
|
Term
| What is the Tubatrix aceti? |
|
Definition
| It is a tiny free living nematode sometimes found in vinegar |
|
|
Term
| What type of excretory system do organisms in the Phylum Nematoda have? |
|
Definition
| The waste exits excretory pores. |
|
|
Term
| What type of Nervous system do organisms in the Phylum Nematoda have |
|
Definition
| Cerebral ganglia or nerve ring with anterior and posterior nerves. |
|
|
Term
| What type of body cavity do organisms in the Phylum Nematoda have? |
|
Definition
| They are Psuedocoelomates |
|
|
Term
| What is a "false cavity"? |
|
Definition
| When it is not lined with mesoderm |
|
|
Term
| What type of reproduction do organisms in the Phylum Nematoda have? |
|
Definition
| Sexual reproduction with complicated life cycles |
|
|
Term
|
Definition
| A horseshoe shaped structure covered with ciliated tentacles |
|
|
Term
| What are the three phyla that are commonly called lophophorates? |
|
Definition
Ectoprocts
Brachiopods
Phoronoids |
|
|
Term
| What two other similarities are seen between the 3 phyla, Ectoprocts, Phoronoids, and Brachiopods? |
|
Definition
| They have a U-shaped alimentary canal and an absence of a distinct head. |
|
|
Term
| What type of coelom do lophophores have? |
|
Definition
| They have a true coelom completely lined with mesoderm. |
|
|
Term
| Where are organisms in the Phylum Brachipods found? |
|
Definition
| only in marine environments, attached to the sea floor |
|
|
Term
| How do Brachipods differ from clams? |
|
Definition
| Their valves are dorsal and ventral rather than lateral |
|
|
Term
| What is the common name for Brachiopods? |
|
Definition
|
|
Term
| What does Ectoproct mean? |
|
Definition
|
|
Term
| What is the common name for Ectoprocts? |
|
Definition
|
|
Term
| What does Bryozoans mean? |
|
Definition
|
|
Term
| Why are Ectoprocts called Bryozoans? |
|
Definition
| Because they resemble mosses |
|
|
Term
| Where are Ectoprocts found? |
|
Definition
| In the sea, in colonies encased in a hard exoskeleton associated with coral reefs. They can also be found in lakes and rivers. |
|
|
Term
| Where are animals in the phylum Phoronoid found? |
|
Definition
| They are tube dwelling marine worms |
|
|
Term
| What are the six classes of the Phylum: Mollusca? |
|
Definition
| Monoplacophorans, Polyplacophora, Bivalvia, Gastropoda, Scaphopoda, Cephalopoda, |
|
|
Term
| What characteristics is responsible for the branching off of the mollusks from earlier animals? |
|
Definition
| They are coelomates that are soft bodied and unsegmented. |
|
|
Term
| What level of organization do the organisms in the Phylum Molluska demonstrate? |
|
Definition
| organ-system level of organization |
|
|
Term
| How many tissue layers do the organisms in the phylum Molluska demonstrate? |
|
Definition
|
|
Term
| What three parts do all mollusks possess? |
|
Definition
| They have a muscular foot for movement, a visceral mass containing internal organs, and a mantle that may secrete a shell. |
|
|
Term
| What is the name of the rasping organ that most species of Mollusks possess? |
|
Definition
|
|
Term
| Which class of Molluska is missing the radula? |
|
Definition
|
|
Term
| How many shells do organisms in the class Monoplacophora have? |
|
Definition
|
|
Term
| How does the body of Monoplacophoras differ from other molluscans? |
|
Definition
| They have segmented bodies |
|
|
Term
| Where are Monoplacophorans found? |
|
Definition
| In deep marine environments |
|
|
Term
| What Phylum does the class Monoplacophorans belong? |
|
Definition
|
|
Term
| What phylum does the class Polyplacophora belong? |
|
Definition
|
|
Term
| How many shells do Chitons have? |
|
Definition
| One shell with 8 overlapping plates. |
|
|
Term
|
Definition
| They are found in marine environments |
|
|
Term
| What is the common name for Polyplacophoras? |
|
Definition
|
|
Term
| What is the foot used for in Polyplacophoras? |
|
Definition
|
|
Term
| Where is the radula on the Chiton? |
|
Definition
| They have a reduced head that contains the radula |
|
|
Term
| What phylum does the class Gastropoda belong? |
|
Definition
|
|
Term
| What is the name of the process in Gastropoda that makes their body asymmetrical? |
|
Definition
|
|
Term
| Where are Gastropoda found? |
|
Definition
| They are found in marine, terrestrial and fresh water habitats |
|
|
Term
| What class do the organisms Lined Chiton and Katherine Chiton belong? |
|
Definition
| Polyplacophora or Chitons |
|
|
Term
| What class do the organisms Norris Snail, Garden slug, key limpet and sea hare abalone belong? |
|
Definition
|
|
Term
| What is the foot used for in Gastropodas? |
|
Definition
|
|
Term
| What are the characteristics of the shell of Gastropods? |
|
Definition
| Shell is coiled, reduced or absent |
|
|
Term
| What Phylum do organisms in the class Scaphopoda belong? |
|
Definition
|
|
Term
| What class do the organisms tooth or tusk shell belong? |
|
Definition
|
|
Term
| What is the foot of Scaphopods used for |
|
Definition
|
|
Term
| What is radula used for in Scaphopods? |
|
Definition
|
|
Term
| Where are Scaphopods found? |
|
Definition
| In deep (benthic) marine environments |
|
|
Term
| What phylum do organisms in the class Bivalvia belong? |
|
Definition
|
|
Term
| What are some characteristics of organisms in the class Bivalvia? |
|
Definition
| They have flattened shells w/2 valves, have a reduced head and are filter feeders |
|
|
Term
| What do organisms in the class Bivalvia lack that is found in other molluscans? |
|
Definition
|
|
Term
| Where are Bivalves found? |
|
Definition
| In Marine and freshwater environments |
|
|
Term
| What class do the organisms Clam, Mussel, and Oyster belong? |
|
Definition
|
|
Term
| What are the main characteristics of the class Cephalapoda? |
|
Definition
| They have a head surrounded by tentacles and have a mouth w/a radula |
|
|
Term
| Do organisms in the Class Cephalopoda have shells? |
|
Definition
| They have an external, internal or absent shell |
|
|
Term
| How do organisms in the class Cephalopoda move? |
|
Definition
| By a siphon that is made from the mantle |
|
|
Term
| Where are Cephalopoda found? |
|
Definition
| They are found in marine environments |
|
|
Term
| What class and phylum do the organisms Octopus and Squid belong? |
|
Definition
| In the class Cephalopoda and phylum Mollusca |
|
|
Term
| What type of Digestive system do organisms in the Phylum Mollusca have? |
|
Definition
| They have a Alimentary canal and use Extra cellular and Intra cellular digestion |
|
|
Term
| What type of Excretory system do organisms in the Phylum Mollusca have? |
|
Definition
|
|
Term
| What type of respiratory system do organisms in the Phylum Mollusca have? |
|
Definition
|
|
Term
| What type of Nervous system do organisms in the Phylum Mollusca have? |
|
Definition
| They have paired cerebral ganglia or nerve ring with nerve cords |
|
|
Term
| What type of body cavity do organism in the Phylum Mollusca have? |
|
Definition
|
|
Term
| What type of Sexual reproduction do organisms in the Phylum Mollusca have? |
|
Definition
| They reproduce sexually with Gametes and are monoecious or dioecious |
|
|
Term
| What do the anterior and posterior adductor muscles do on a clam? |
|
Definition
| They keep the valves closed |
|
|
Term
| What do the anterior and posterior retractor muscles do on a clam? |
|
Definition
|
|
Term
| What does the anterior protractor muscle do on the clam? |
|
Definition
|
|
Term
| What does the hinge ligament on the clam do? |
|
Definition
|
|
Term
| How are the pallial lines formed on a clam? |
|
Definition
|
|
Term
| What are the three layers of the clam shell and what are they made of? |
|
Definition
| There is the outer layer called the peristracum layer made of protein, the middle layer called the prismatic layer made of calcium carbonate mixed with protein, and the inner layer called the nacreous layer which is made of calcium carbonate |
|
|
Term
| What do the apertures do on a clam? |
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Definition
| The incurrent and excurrent apertures permit a continuous flow of water through the mantle cavity. |
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Term
| The posterior margins of a clam form two openings that allow the water to pass in and out of it. What are the openings called? |
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Definition
| incurrent siphon (opening on ventral side) and excurrent siphon is the opening on the dorsal side. |
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Term
| What is the membrane that covers the pericardial cavity in a clam? |
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Definition
|
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Term
| How many chambers does the heart of a clam have? |
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Definition
| 2 paper thin triangular atria and one ventricle. |
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Term
| What characteristic is responsible for the branching off of the segmented worms from earlier animals? |
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Definition
| They have a true coelom lined w/mesoderm, are soft bodied and segemented |
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|
Term
| What level of organization do Annelids have? |
|
Definition
| An organ system level of organization |
|
|
Term
| How many tissue layers do Annelids have? |
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Definition
|
|
Term
| What is the name of the bristles seen on Annelids? |
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Definition
|
|
Term
| What is the name of the side feet seen in some animals? |
|
Definition
|
|
Term
| Where are annelids found? |
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Definition
| Worldwide and occur in marine and fresh water along w/terrestrial soils. |
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|
Term
| What are the classes in the Phylum Annelida? |
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Definition
| Class: Oligochaeta, Class: Polychaeta, and Class: Hirudinea |
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|
Term
| How many setae do organisms in the class Oligochaeta have? |
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Definition
|
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Term
| Do organisms in the Class Oligochaeta have well developed heads? |
|
Definition
| No, they have a reduced head |
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|
Term
| Do organisms in the class Oligochaeta have parapodia? |
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Definition
|
|
Term
| What class does the organism Lumbricus belong? |
|
Definition
|
|
Term
| How many setae do organisms in the class Polychaeta have? |
|
Definition
|
|
Term
| Do the organisms in the class Polychaeta have well developed heads or parapodia? |
|
Definition
|
|
Term
| What are the setae used for in organisms in the class Polychaeta? |
|
Definition
| for locomotion and gas exchange |
|
|
Term
| What are characteristics of the organisms in the class hirudinea? |
|
Definition
| They have flattened bodies, reduced segments, and reduced coelom with suckers on both ends |
|
|
Term
| Do the organisms in the class Hirudinea have setae? |
|
Definition
|
|
Term
| Do organisms in the class Hirudinea have well developed heads or parapodia? |
|
Definition
|
|
Term
| What level of organization do Annelids have? |
|
Definition
| They have an organ system level of organization |
|
|
Term
| What type of digestive system do Annelids have? |
|
Definition
| They have an alimentary canal and use extra and intracellular digestion |
|
|
Term
| What type of excretory system do Annelids have? |
|
Definition
|
|
Term
| What type of circulatory system do organisms in the phylum Annelida have? |
|
Definition
| They have a closed system without a true heart |
|
|
Term
| What type of respiratory system do Annelids have? |
|
Definition
| Skin, gills, or parapodia |
|
|
Term
| What type of Nervous system do Annelids have? |
|
Definition
| They have a double ventral nerve cord with dorsal cerebral ganglia and a pair of ganglia in each segment |
|
|
Term
| What type of body cavity do Annelids have? |
|
Definition
|
|
Term
| What type of reproduction do annelids have? |
|
Definition
| Asexually by budding in some, or sexual reproduction with gametes, and either monoecious or dioecious |
|
|
Term
| What class does the clamworm, Nereis belong? |
|
Definition
|
|
Term
| What are the parapodia used for in Annelids? |
|
Definition
| Respiration and locomotion |
|
|
Term
| What is the common name for the Onychophora? |
|
Definition
|
|
Term
| What two groups were they once thought to be a link between? |
|
Definition
|
|
Term
| What do the Walking worms have in common with Annelids and Arthropods?? |
|
Definition
| They are segmented like Annelids but have appendages like arthropods. |
|
|
Term
| What is different about the appendages in Onychophora than with those in Arthropods? |
|
Definition
| They are unjointed in Onychophora |
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|
Term
| What group are Onychophora most closely related to today? |
|
Definition
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