Term
| All mollusks 4 major features: |
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Definition
| shell, mantle, visceral mass, foot |
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Term
| 3 main classes of Mollusks: |
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Definition
| Gastropoda, Cephalopoda,Bivavles |
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Term
| All classes of molluscs EXCEPT _______ have open circulatory systems? |
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Definition
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Term
| What Phyla and Class are Squid and Octopuses? |
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Definition
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Term
| What Phyla and class are Clams? |
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Definition
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Term
| What Phyla and class are Snails and Slugs? |
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Definition
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Term
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Definition
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Term
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Definition
| tube for directing water flow |
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Term
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Definition
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Term
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Definition
| knob part of shell, oldest part of shell |
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Term
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Definition
| close and hold valves together in mollusks |
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Term
| What is the mantle cavity? Where is it? |
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Definition
| a space that encloses gills. In between body and mantle. |
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Term
| What is the mantle? Where is the mantle located? |
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Definition
| protective body wall. Underneath shell. |
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Term
| where are bivalves located? |
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Definition
| marine and freshwater (like a clam) |
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Term
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Definition
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Term
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Definition
| sexes are separate, external fertilization,no asexual reproduction |
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Term
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Definition
| suspension feeders. Gills & labial palps secrete mucus that traps food particles |
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Term
| Bivalves, unlike other mollusks, LACK.... |
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Definition
| well developed head, radula |
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Term
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Definition
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Term
| Are cephalopods freshwater or marine? predators or prey? |
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Definition
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Term
| How many tentacles to Octopuses have? How many arms? |
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Definition
| 2, 1 pair of long, retractable tentacles. 8 arms. |
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Term
| What is the foot in cephalopods? |
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Definition
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Term
| What is the foot modified into in cephalopods? |
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Definition
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Term
| What causes color changes in Cephalopods? |
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Definition
| pigments called chromatophores |
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Term
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Definition
| expelling water for propulsion & fins |
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Term
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Definition
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Term
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Definition
| using arms to capture & handle & jaws to grasp & radula to tear pieces |
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Term
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Definition
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Term
| Why are gastropods asymmetrical? |
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Definition
| torsion- change in body position |
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Term
| What is fouling in Gastropoda? What corrects it in snails? |
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Definition
| waste washing back over gills; torsion |
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Term
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Definition
| a plate that covers the shell aperture of some snails when the body goes inside shell |
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Term
| Animals that are Annelids: |
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Definition
| Sandworms, earthworms, leeches |
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Term
| All Annelids have satae except ________? |
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Definition
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Term
| Annelids are _________ worms. |
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Definition
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Term
| What is metamerism? Why is is important in Annelids? |
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Definition
| having segments; greater complexity in structure and function, increasing burrowing efficiency, more sophisticated nervous system, injury to one segment is not fatal |
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Term
| What class are clamworms? |
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Definition
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Term
How do Polychaetes differ from other annelids?
What do they lack? |
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Definition
Well-differentiated head w/ specialized sense organs, paired paddlike appendages (parapodia) on most segments;
clitellum & permanent sex organs |
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Term
| What class of Annelids are earthworms? |
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Definition
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Term
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Definition
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Term
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Definition
| burrowing, satae anchor parts of body |
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Term
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Definition
| pharynx draws in bits of vegetation |
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Term
| Oligochaeta reproduction: |
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Definition
| hermaphroditic, copulation |
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Term
| What is a clitellum? What is it's function? |
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Definition
| thinckened, saddle-like portions of Oligochaeta (earthworms) and Hirudinea (leeches) |
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Term
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Definition
| organs of excretion in Annelids (all but first three segments in earthworms (oligochaeta) ) |
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Term
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Definition
| u-shaped in intestine; more surface area for nutrient absorption |
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Term
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Definition
| parapodia, burrowing using longitudinal muscles |
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Term
| Polychaeta gas exchange; circulation |
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Definition
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Term
| Oligochaeta digestive tract starts with ___ then ____. |
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Definition
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Term
| Oligochaeta Gas exchange; circulation; excretion |
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Definition
| diffusion; closed; nephridia |
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Term
Monoecious and Dioecious
link with:
Polychaeta and Oligochaeta |
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Definition
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Term
Monoecious and Dioecious
link with:
Polychaeta and Oligochaeta and Hirudinea |
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Definition
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Term
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Definition
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Term
| Leeches are parasites or predators? |
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Definition
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Term
| Class Hirudinea Gas exchange, circ. system, excretion |
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Definition
Gas Exchange = Across the body wall
Circulation = Coelomic fluid (in sinuses)
Excretion = 10-17 pairs of metanephridia |
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Term
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Definition
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Term
Nematodes:
What are they?
Where do they live?
Size range? |
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Definition
Roundworms;
sea, freshwater, soil, ALL PARASITIC;
small-meters |
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Term
| Roundworms (Nematodes) excretory system: |
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Definition
| food matter moves posteriorly by body movements, defecation by pulling open anus |
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Term
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Definition
| Process in which the outer layer of a nematode is secreted by epidermis (cuticle) is shed when body increases size |
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Term
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Definition
| Giant Inestinal Roundworm of Humans |
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Term
| How to get Intestinal roundworms |
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Definition
| humans eat uncooked vegetables or children put soiled fingers or toys in mouth |
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Term
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Definition
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Term
| How does the parasite for the New World Hookworm get into humans? |
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Definition
| juveniles in soil burrow into skin |
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Term
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Definition
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Term
| What worm causes trichinosis? How do you get it? |
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Definition
| Porkworm; eating infected muscle |
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Term
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Definition
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Term
| Examples of filarial worms: |
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Definition
| elephantiasis & heartworms in dogs |
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Term
Filarial worms
What do they require?
How are they transmitted? |
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Definition
intermediate hosts;
female worms release MICROFILARIAE into blood and lymph of host then they develop in mosquitoes and are transmitted |
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Term
Elephantiasis:
symptoms?
Who does it affect?
How to get it? |
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Definition
excessive connective tissue & swelling in affected parts;
humans in tropics;
repeated exposure to filarial worms |
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Term
| The chambered Nautilus is the only member of class ________ that has an external shell. It belongs to phylum _______. |
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Definition
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Term
| A body cavity NOT completely lined with mesoderm |
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Definition
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Term
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Definition
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Term
| in molluscs, the shell is secreted by the _____ |
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Definition
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Term
| Filarial worms belong to the Phylum ________ and the adults live in the ______ system of humans. |
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Definition
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Term
| intermediate hosts for filarial worms |
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Definition
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Term
| Members of the Phylum Nematomorpha are ____ as adults and ______ as larva |
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Definition
| free-living; parasites to arthropods |
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Term
| anterior and posterior chemoreceptors found on the ends of nematodes |
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Definition
anterior: amphids
posterior: phasmids |
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Term
| Nematodes have a ________ body. |
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Definition
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Term
| Nematodes have ONLY _______ muscles |
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Definition
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Term
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Definition
| the hardening or the cuticle of an arthropod |
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Term
| the specialization of body regions in metamerism |
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Definition
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Term
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Definition
| pinched waist area between two tagmata |
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Term
| The looping form of locomotion present in leeches utilizes a ____ that is/are formed as a result of _______. |
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Definition
| single hydrostatic cavity; loss of internal septa |
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Term
| Oligochaeta avoid self-fertilization by: |
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Definition
| reciprocal sperm transfer |
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Term
reproductive cycle of samoan palolo worm (Annelida)
individuals called: |
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Definition
| a reproductive swarm; epitokes |
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Term
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Definition
| spiders, scorpions, ticks, mites, insects |
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Term
| What is the cuticle of an arthropod excreted from? |
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Definition
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Term
| Arthropod cuticle consists of an outer and inner epidermis known as the ____ and the _____. |
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Definition
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Term
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Definition
| molting, shedding of cuticle |
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Term
| Arthropods respiratory system |
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Definition
| highly efficient tracheal system of air tubes which delivers oxygen directly to tissues and cells |
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Term
T or F
Arthropods lack developed sensory organs? |
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Definition
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Term
| the behavior of Arthropods |
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Definition
| complex, unlearned and learned behavior |
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Term
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Definition
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Term
2 tagmata, 6 appendages (2- chelicerae, 2- pedipalps, 4 pair of walking legs)
lack mandibles & antennae |
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Definition
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Term
| Horseshoe crabs are in class ______ |
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Definition
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Term
| Sea Spiders are in class __________ |
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Definition
|
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Term
| tagmata are joined by a narrow waistlike ___________ |
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Definition
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Term
| spiders breathe by _________ or _________. |
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Definition
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Term
| Spiders are in order ________, class _______, and phylum ________. |
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Definition
| Araneae; arachnida; Arthropoda |
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Term
| Spiders excretory system uses __________ which conserve ________. |
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Definition
| malpighian tubules; body fluids |
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Term
| Spiders eyes are ______ seeing _______. |
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Definition
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Term
| Spiders awareness of it's environment depends on: |
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Definition
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Term
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Definition
| oviparous, males store sperm in pedipalps and inserts it into female, who attracted him with pheromones |
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Term
T or F
Spiders venom is usually harmless to humans |
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Definition
|
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Term
| lyme disease is caused by |
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Definition
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Term
| Rocky mountain spotted fever is caused by |
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Definition
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Term
| sensory, feeding, and locomotor tagma of members of the class Archnida is the _________ |
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Definition
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Term
T or F
All arthropods split their old exoskeleton in the exact same place |
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Definition
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Term
| Class Chilopoda, Subclass Myriapoda |
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Definition
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Term
| reproduction in which the egg develops internally with no additional nutrition from mother |
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Definition
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Term
| black widows are recognized by |
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Definition
| a red/orange hourglass on the ventral side of her abdomen |
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Term
| brown recluses are recognized by |
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Definition
| small violin/fiddle marking on dorsal saide of cephalothorax/prosoma |
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Term
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Definition
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Term
| In members of the Class Arachnida, the ____________ are modified as fangs to inject venom. |
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Definition
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Term
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Definition
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Term
| Chigger adults are __________ and larvae are __________ |
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Definition
|
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Term
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Definition
| the hardened tube created by the body that a chigger larvae uses to drink cells and liquids from the host |
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