invertebrate Animal vocab Flashcards Preview

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Flashcards in invertebrate Animal vocab Deck (24):
1

Vertebrates

Animals that have a backbone

2

Invertebrates

Animals that don't have a backbone

3

Consumer

a thing that eats or uses something

4

Ganglion

a mass of nerve cells

5

Gut

a digestive track

6

Coelom

body cavity that contains internal organs

7

Bilateral Symmetry

animals that have a left and right side

8

Radial Symmetry

animal body is organized around a center

9

Asymmetry

body that is not organized around a center

10

Sponges

a primitive sedentary aquatic invertebrate with a soft porous body that is typically supported by a framework of fibers

11

Cnidarians

an aquatic invertebrate animal of the phylum Cnidarian

12

Flatworms

soft body invertebrate

13

Roundworms

They are a diverse animal phylum inhabiting a very broad range of environments

14

Mollusks

compose the large phylum of invertebrate animals known as the Moluccas

15

Open circulatory system

animals that pump blood into a hemocoel

16

Closed circulatory system

blood is pumped by a heart through vessels and does not normally fill body cavities

17

Annelid worm

The annelids also known as the ringed worms or segmented worms are a large phylum with over 17,000
extant species including ragworms, earthworms, and leeches

18

Segment

each of the parts into which something is or may be divided

19

Exoskeleton

a rigid external covering for the body in some invertebrate animals

20

Compound eye

an eye consisting of an array of numerous small visual units

21

Antenna

long thin sensory appendages on the heads of insects crustaceans and some other arthropods

22

Metamorphosis

the process of transformation from an immature form to an adult form

23

Endoskeleton

an internal skeleton

24

Water vascular system

a hydraulic system used by echinoderms