Invertebrate Animal Vocabulary

Question 1

Vertebrates

Answer 1

An organism that has a backbone.

Question 2

Invertebrates

Answer 2

An organism that doesn’t have a backbone.

Question 3

Consumer

Answer 3

An organism that eats other organisms or organic matter.

Question 4

Ganglion

Answer 4

A mass of nerve cells.

Question 5

Gut

Answer 5

The digestive tract.

Question 6

Coelom

Answer 6

A body cavity that contains the internal organs.

Question 7

Bilateral Symmetry

Answer 7

A body that is the same on all sides.

Question 8

Radial Symmetry

Answer 8

A body that is different on all sides.

Question 9

Asymmetry

Answer 9

A body that is not organized around a center.

Question 10

Sponges

Answer 10

An asymmetry body that allows water into its cavities tho get food and oxygen.

Question 11

Cnidarians

Answer 11

an aquatic invertebrate animal, which comprises the coelenterates.

Question 12

Flatworms

Answer 12

A phylum of simple soft-bodied invertebrate animals.

Question 13

Roundworms

Answer 13

A diverse animal phylum inhabiting a broad range of environments.

Question 14

Mollusks

Answer 14

A soft unsegmented body and live in aquatic or damp habitats, and most kinds have an external calcareous shell.

Question 15

Open circulatory system

Answer 15

A circulatory system in which the circulatory fluid is not contained entirely within vessels.

Question 16

Closed circulatory system

Answer 16

A circulatory system in which the heart circulates blood through a network of blood vessels that form a closed loop.

Question 17

Annelid worms

Answer 17

A large phylum, with over 22,000 extant species, earthworms, and leeches.

Question 18

Exoskeleton

Answer 18

A hard, external, supporting structure.

Question 19

Compound eye

Answer 19

An eye composed of many light detectors.

Question 20

Antenna

Answer 20

A feeler that is on the head of an invertebrate, such as a crustacean or an insect, that senses touch, taste, or smell.

Question 21

Metamorphosis

Answer 21

A phase in the life cycle of many animals during which a rapid change from the immature form of an organism to the adult form takes place.

Question 22

Endoskeleton

Answer 22

An internal skeleton made of bone or cartilage.

Question 23

Water vascular system

Answer 23

A system of canals filled with a watery fluid that circulates throughout the body of an echinoderm.