Invertebrate Animal Vocab

Question 1

Vertebrates

Answer 1

Animals with backbones

Question 2

Invertebrates

Answer 2

Animals without backbone

Question 3

Consumer

Answer 3

Living things that have to hunt, gather and eat their food

Question 4

Ganglion

Answer 4

A bundle of nerves (replacing a brain in some creatures)

Question 5

Gut

Answer 5

Stomach

Question 6

Coelom

Answer 6

A hollow, fluid-filled cavity serving as a skeleton.

Question 7

Bilateral Symmetry

Answer 7

Could be cut into to equal and identical halves

Question 8

Radial Symmetry

Answer 8

Symmetry around a central axis

Question 9

Asymmetry

Answer 9

No symmetry

Question 10

Sponges

Answer 10

Multicellular organisms that have bodies full of pores and channels allowing water to circulate through them

Question 11

Cnidarians

Answer 11

soft-bodied stinging animals such as corals, sea anemones, and jellyfish

Question 12

Flatworms

Answer 12

a group of soft-bodied, usually much flattened invertebrates

Question 13

Roundworms

Answer 13

small organisms that can live in your intestine, which is part of your digestive system

Question 14

Mollusks

Answer 14

any soft-bodied invertebrate of the phylum Mollusca, usually wholly or partly enclosed in a calcium carbonate shell secreted by a soft mantle covering the body.

Question 15

Open circulatory system

Answer 15

pumps blood into a cavity called a hemocoel where it surrounds the organs and then returns to the heart(s) through ostia (openings

Question 16

Closed circulatory system

Answer 16

blood is contained inside blood vessels and circulates unidirectly from the heart around the systemic circulatory route, then returns to the heart again

Question 17

Annelid worms

Answer 17

annelid, phylum name Annelida, also called segmented worm, any member of a phylum of invertebrate animals that are characterized by the possession of a body cavity (or coelom), movable bristles (or setae), and a body divided into segments by transverse rings, or annulations, from which they take their name.

Question 18

Exoskeleton

Answer 18

When bugs have a crunchy outside

Question 19

Compound eye

Answer 19

a visual organ found in arthropods such as insects and crustaceans.

Question 20

Antenna

Answer 20

The little censors that come out of an animal

Question 21

Metamorphosis

Answer 21

change of physical form, structure, or substance

Question 22

Endoskeleton

Answer 22

Skeleton on the inside

Question 23

Water vascular system

Answer 23

a hydraulic system used by echinoderms, such as sea stars and sea urchins, for locomotion, food and waste transportation, and respiration