in vertebrate animal vocab

Question 1

an animal that has a backbone

Answer 1

vertebrates

Question 2

has no backbone

Answer 2

invertebrates

Question 3

an organism that eats other organisms or organic matter

Answer 3

consumer

Question 4

a mass of nerve cells

Answer 4

ganglion

Question 5

the digestive tract

Answer 5

gut

Question 6

a body canvity that contains the internal organs

Answer 6

coelom

Question 7

the two sides of its body mirror each other

Answer 7

bilateral symmetry

Question 8

its body is organized around the center

Answer 8

radial symmetry

Question 9

cannot draw a straight line to divide its body into two or more equal parts

Answer 9

asymmetry

Question 10

most have a skeleton made of small, hard fibers

Answer 10

sponges

Question 11

have complex tissues and a gut for digesting food

Answer 11

cnidarians

Question 12

have bilateral symmetry, clearly defined head and two large eyespots

Answer 12

Flatworms

Question 13

have bodies that are long, slim, and round have bilateral symmetry

Answer 13

Roundworms

Question 14

fit into the gastropods and the bivalves and cephalopods

Answer 14

Mollusks

Question 15

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

Answer 15

Open circulatory system

Question 16

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

Answer 16

Closed circulatory system

Question 17

have bilateral symmetry, closed circulatory system have a brain

Answer 17

Annelid worms

Question 18

a hard, external, supporting structure

Answer 18

Exoskeleton

Question 19

an eye composed of many light detectors

Answer 19

Compound eye

Question 20

a feeler that is on the head of an invertebrate and that senses toch, taste or smell

Answer 20

Antenna

Question 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 takess place

Answer 21

Metamorphosis

Question 22

an internal skeleton made of bone and cartilage

Answer 22

Endoskeleton

Question 23

asystem of canals filled with a watery fluid that circulates throughout the body of an echinoderm

Answer 23

Water vascular system