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Biology 122 Test 1 - Animals
Covers Test 1 Material on Animals for Prof. Killian's First Biology 122 Test 1
21
Biology
Undergraduate 2
06/27/2009

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Cards

Term

 

What are characteristics of organisms in Kingdom Animalia?

Definition

Multicellular

Heterotrophic

Eukaryotic

Ingesting

Possessing a Cell Boundary

 

Term
What is the common development cycle for animal organisms?
Definition

 

Egg + Sperm --> Zygote --> Morula --> Blastula  --> Gastrula --> Larva --> Adult

Term

 

What are some ways to classify animals?

Definition

 

Cell and tissue organization

Symmetry and cephalization

Number of Germ Layers

Pattern of Embryonic Development

 

Term

 

What are the different types of body cavities in animals?

Definition

Acoelomates: Lacking a body cavity to contain organs

Pseudocoelomates: Having a body cavity that allows transfusion

Coelomates: Having a body cavity that contains organs

Term

 

What is the role of the coelom (gastrovascular cavity)?

Definition

 

Increase flexibility, Place for organs, Filled with Fluid, Hydrostatic skeleton

Term

 

 

What are the two types of digestive cavities?

Definition

Gastrovascular Cavity: Incomplete tract, one opening for input/output

Digestive Tract: Continuous tract with opening for input and opening for output.  More efficient

Term

 

 

What are the two types of development in animals?

Definition

 

 

Direct: maturation

Indirect: larval/pupal stages

 

Term

 

What are characteristics of Phylum Porifera (Sponges)?

Definition

 

Simplest

No true tissue

Sessile as adults

Filter Feeders

 

Term

 

What are characteristics of Phylum Cnidaria (Jellyfish)?

Definition

Marine

Two tissue layers: Ectoderm: outer layer with cnidocites, Endoderm

No Organs

Carniverous

Not highly mobile

Forms differ by behavior and habitat

Term

 

What are characteristics of Phylum Platyhelminthes (Flatworms)?

Definition

Bilateral

Cephalization

Three tissue layers

Dorso-ventrally flattened

Osmoregulates

Sexual, but hermaphroditic

Can be parasitic or free living

Term

 

What are characteristics of Phylum Nematoda (Nematodes)?

Definition

Pseudocoelomates

Bilateral

Digestive tract

Hydrostatic skeleton

Parasites

Longitudinal Muscles

 

Term

 

What are characteristics of coelomate invertebrates (Phylum Mollusca)?

Definition

Soft bodied

Most have protective shells

Not segmented

Basic Body includes: foot, mantle, visceral mass

Some are bivalves

 

Term

 

What are characteristics of Phylum Annelida (Segmented Worms)?

Definition

Segmented body

Longitudinal and circular muscles

Digestive tract specialization:

mouth, pharynx, espohagus, crop, gizard, intestines

 

 

Term

 

What are characteristics of Phylum Arthropoda (Insects, crustaceans, arachnids)?

Definition

Jointed appendages

Exoskeletons

digestive tract

multiple sets of legs

 

Term

 

What are the two major groups of chordates?

 

Definition

Non-vertebrate chordates

Vertebrates

 

Term
What are characteristics of Phylum Deuterostomes?
Definition

Dorsal hollow nerve chord

Notochord

Pharyngeal slits

Post anal tail

 

Term

 

What are the four distinguishing parts of a chordate?

Definition

Post-anal tail

Notochord

Dorsal Hollow Nerve Chord

Pharyngeal gill slits

Term

 

What is the dorsal hollow nerve cord equivalent to in vertebrates?

Definition

 

Brain

Spinal Cord

Term

 

 

What is the derivative trait that gave rise to each chordate phylum?

Definition

Lancelets à Brain                                               Hagfishes à Head

Lampreys à Vertebral Column                            Sharks/rays à Jaws

Ray-finned fishes à Lungs of Lung Derivatives    Lobe-fin fishes à Lobed Fins

Amphibians àLegs                                              Reptiles à Amniotic Egg

Mammals à Milk

Term

 

What are characteristics of a vertebral column?

Definition

Protects spinal cord

Gives location for muscle and tendon attachment

Composed of either bone of cartilage

Term

 

 

What are characteristics of ray-finned fish?

Definition

Support structures in fins

Overlapping scales covered with mucus

Mobile fins

swim bladder

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