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Wildlife Biology > Invertebrates > Flashcards

Invertebrates Flashcards

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1
Q

Animals without Backbones

A

Invertebrate

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2
Q

An outer covering that provides support.

A

Exoskeleton

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3
Q

An internal skeleton

A

Endoskeleton

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4
Q

An animal with a Backbone

A

Vertebrate

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5
Q

Animals that can produce both sperm and eggs.

A

Hermaphrodite

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6
Q

The combining of egg and sperm inside the animal.

A

Internal fertilization

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7
Q

Egg and sperm combine outside the body.

A

External fertilization

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8
Q

Can be divided along any plane

A

Radial symmetry

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9
Q

Can be divided into a mirror image

A

Bilateral symmetry

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10
Q

The tendency to concentrate nervous tissue and sensory organs at the anterior end of the animal

A

Cephalization

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11
Q

Fluid-filled cavity with organs

A

Coelom

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12
Q

a fluid-filled cavity that develops between the mesoderm and the endoderm.

A

Pseudocoelom

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13
Q

Animals that do not have a coelom

A

Acoelomate

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14
Q

Mouth develops first

A

Protostome

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15
Q

Anal Cavity develops first

A

Deuterostome

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16
Q

Attached to and stay in one place.

A

Sessile

17
Q

Stinging Cells

A

Cnidocytes

18
Q

A group of nerve cell bodies that coordinates incoming and outgoing nerve signals

A

Ganglion

19
Q

When body parts that are missing can grow back.

A

Regeneration

20
Q

The fluid within a closed space that provides rigid support for muscles to work against.

A

Hydrostatic skeleton

21
Q

A disease that can be contracted by eating raw or undercooked pork.

A

Trichinosis

22
Q

Blood is pumped out of vessels into open spaces surrounding the body organs

A

Open circulatory system

23
Q

Blood is confined to vessels as it moves through the body

A

Closed circulatory system

24
Q

Storage place for food until it goes to the Gizzard

A

Crop

25
Q

the muscular sac containing hard particles that help grind soil and food before they pass into the intestine.

A

Gizzard

26
Q

A thickened band of segments

A

Clitellum

27
Q

The middle body region

A

Thorax

28
Q

At the posterior end of the arthropod.

A

Abdomen

29
Q

The head part of the Arthropod

A

Cephalothorax

30
Q

Shedding the exoskeleton

A

Molting

31
Q

A pair of appendages located near the mouth

A

Mandibles

32
Q

A system of branching tubes

A

Tracheal tubes

33
Q

Saclike pockets with highly folded walls for respiration.

A

Book lungs

34
Q

Outside of the body in the openings

A

Spiracles

35
Q

Tubes in which cellular waste is moved from the blood.

A

Malpigian tubules

Wildlife Biology (4 decks)

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