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Question 1

vertibrates

Answer 1

an animal of a large group distinguished by the possession of a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fishes.

Question 2

invertabrates

Answer 2

Invertebrates are animals that neither possess nor develop a vertebral column

Question 3

Consumer

Answer 3

organisms that need to eat (i.e. consume) food to obtain their energy

Question 4

ganglion

Answer 4

ovoid structures containing cell bodies of neurons and glial cells supported by connective tissue

Question 5

Gut

Answer 5

the stomach or belly.

Question 6

coelom

Answer 6

the body cavity in metazoans, located between the intestinal canal and the body wall.

Question 7

bilateral symmetry

Answer 7

the property of being divisible into symmetrical halves on either side of a unique plane.

Question 8

radial symmetry

Answer 8

symmetry around a central axis, as in a starfish or a tulip flower.

Question 9

asymmetry

Answer 9

lack of equality or equivalence between parts or aspects of something; lack of symmetry.

Question 10

sponges

Answer 10

Sponges, the members of the phylum Porifera, are a basal animal clade as a sister of the Diploblasts.

Question 11

cnidarians

Answer 11

phylum under kingdom Animalia

Question 12

flat worms

Answer 12

The flatworms, flat worms, Platyhelminthes

Question 13

roundworms

Answer 13

The nematodes or roundworms constitute the phylum Nematoda

Question 14

Mollusks

Answer 14

Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda

Question 15

open cirtulatory system

Answer 15

systems where blood, rather than being sealed tight in arteries and veins, suffuses the body and may be directly open to the environment at places such as the digestive tract

Question 16

closed circulatory system

Answer 16

comprised of the heart that pumps blood into the vessels to reach the tissues and organs

Question 17

annelids

Answer 17

The annelids, also known as the ringed worms or segmented worms

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 invertabrate

Question 21

Metamorphosis

Answer 21

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

Question 22

Endoskeleton

Answer 22

an etarnal 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