Invertebrates Flashcards Preview

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Flashcards in Invertebrates Deck (24):
1

Vertebrates

An animal with a backbone.

2

Invertebrates

An organism without a backbone.

3

Consumer

An organism that gets its own food.

4

Ganglion

A structure containing nerve cells.

5

Gut

A digestive system.

6

Coelom

A body cavity that contains organs.

7

Bilateral Symmetry

The property of being able to be divided into symmetrical halves.

8

Radial Symmetry

Symmetry around a center axis.

9

Asymmetry

Lack of symmetry.

10

Sponges

A simple invertebrate that belongs to the animal kingdom

11

Cnidarians

A phylum of invertebrates that live in the ocean and have radial symmetry.

12

Flatworms

A simple parasitic worm that has no backbone

13

Roundworms

A parasitic invertebrate that feeds of mammals.

14

Mollusks

They are a large phylum that have soft segmented bodies most of them have some kind of shell.

15

Open Circulatory System

Blood is pumped by a heart into the body cavities where tissues are surrounded by the blood.

16

Closed Circulatory System

They have all their blood enclosed in vessels.

17

Annelid Worms

There a phylum of segmented worms.

18

Segment

The lines on the body of annelid worms.

19

Exoskeleton

An external skeleton that supports and protects the outside of an animals body.

20

Compound Eye

An eye with many individual units.

21

Antenna

Long thin sensory appendages.

22

Metamorphisis

A change of form.

23

Endoskeleton

An internal skeleton that supports an animal.

24

Water Vascular System

A network of water vessels in the body.