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Wildlife Biology - 1 > Invertabrates > Flashcards

Invertabrates Flashcards

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1
Q

Invertebrate

A

Animal with no backbone

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2
Q

Exoskeleton

A

Rigid external covering

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3
Q

Endoskeleton

A

internal skeleton

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4
Q

Vertebrate

A

posession of backbone

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5
Q

Hermaphrodite

A

both F and M sex organs

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6
Q

Internal Fertilization

A

Egg and Sperm, sexual

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7
Q

External Fertilization

A

Sperm and egg touch on outside of body

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8
Q

Radial Symmetry

A

Symmetry around central axis, starfish

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9
Q

Bilateral Symmetry

A

divisible into equal halves

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10
Q

Cephalization

A

`An evolutionary trend

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11
Q

Coelom

A

a protective cushion thats filled with fluid

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12
Q

Pseudocoelom

A

a second body cavity

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13
Q

Acoelomate

A

an invertabrate lacking a coelom

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14
Q

Protosome

A

mouth before anus in development

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15
Q

Deuterostome

A

anus before mouth in development

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16
Q

Sessile

A

Organisms that are usually attached to something

17
Q

Cnidocytes

A

Help organisms catch prey

18
Q

Ganglion

A

a big clump of nerve tissues

19
Q

Regeneration

A

process of renewal restoration

20
Q

Hydrostatic Skeleton

A

flexible skeleton supported by fluid structure

21
Q

Trichinosis

A

worms caused by under cooked pork

22
Q

Open circulatory system

A

blood suffuses the body rather than being in veins and arteries

23
Q

Closed circulatory system

A

Blood that runs through veins and arteries

24
Q

Crop

A

tract used for food storage

25
Q

Gizzards

A

hind part of the stomach

26
Q

Clitellum

A

thickened glandular and non-segmented section of the body

27
Q

Thorax

A

includes the rib cage, which encloses the heart and lungs

28
Q

Abdomen

A

The region of the body in between the thorax and the pelvis

29
Q

Cephalothorax

A

a tagma of various arthropods, comprising the head and the thorax fused together, as distinct from the abdomen behind

30
Q

Molting

A

an animal routinely casts off a part of its body

31
Q

Mandibles

A

Lower jaw of a vertabrate

32
Q

Tracheal Tubes

A

Gets good airflow in the throat

33
Q

Book lungs

A

used for atmospheric gas exchange

34
Q

Spiracles

A

a breathing hole

35
Q

Malpigian Tubules

A

nsects, myriapods, arachnids, and tardigrades. The system consists of branching tubules extending from the alimentary canal that absorbs solutes, water, and wastes from the surrounding hemolymph.

Wildlife Biology - 1 (3 decks)

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