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Zoology > Introduction Unit > Flashcards

Introduction Unit Flashcards

1
Q

All animals with _____ symmetry develop from 3 embryonic layers

A

Bilateral

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2
Q

A fluid-filled body cavity completely within the mesoderm

A

Coelomate

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3
Q

The head end of an animal

A

Anterior

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4
Q

When an animal can be divided into mirror halves

A

Bilateral Symmetry

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5
Q

The underside/belly of an animal

A

Ventral

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6
Q

What type of symmetry is a butterfly?

A

Bilateral

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7
Q

The inner layer of tissue

A

Endoderm

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8
Q

What type of symmetry is a lobster?

A

Bilateral

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9
Q

What type of symmetry is a sponge?

A

Asymmetrical

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10
Q

When an animal can be divided along any plane, as long as it radiates out from a central axis

A

Radial Symmetry

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11
Q

What does the endoderm develop into?

A

Digestive organs and the lining of the digestive tract

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12
Q

No tissue, irregular in shape, no symmetry or balance in body structure

A

Asymmetrical

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13
Q

The study of animals

A

Zoology

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14
Q

When the mouth develops from the first opening in the gastrula

A

Protostome

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15
Q

Nerve tissues/sense organs concentrated at the anterior end

A

Cephalization

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16
Q

No coelom

A

Acoelomate

17
Q

A fluid-filled body cavity between the mesoderm and endoderm

A

Pseudocoelom

18
Q

Which tissue layer is only found in highly evolved animals?

A

Mesoderm

19
Q

The layer of tissue that forms between the ectoderm and endoderm

A

Mesoderm

20
Q

The surface side of an animal

A

Dorsal

21
Q

What type of symmetry is a sea anemone?

A

Radial

22
Q

When the anus develops from the first opening of the gastrula

A

Deuterostome

23
Q

What does the ectoderm develop into?

A

Nervous tissue and skin

24
Q

What type of symmetry is a starfish?

A

Radial

25
Q

What type of symmetry is a jellyfish?

A

Radial

26
Q

The tail end of an animal

A

Posterior

27
Q

The outer layer of tissue

A

Ectoderm

28
Q

Animals with ______ symmetry have an anterior, posterior, dorsal, and ventral

A

Bilateral

Zoology (2 decks)

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