Animal Kingdom

Question 1

Vertebrates

Answer 1

An animal that has a backbone.

Question 2

Invertebrates

Answer 2

An animal that does not have a backbone.

Question 3

Consumers

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

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 are the simplest invertebrates and are asymmetrical which has no tissues, gut, or neurons.

Question 11

Cnidarians

Answer 11

Cnidarians are more complex than sponges and have complex tissues and gut for digesting food.

Question 12

Flatworms

Answer 12

Flatworms are tiny so you can only see them with a microscope and are thew simplest worms.

Question 13

Open Circulatory System

Answer 13

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

Question 14

Closed Circulatory System

Answer 14

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

Question 15

Exoskeleton

Answer 15

A hard, external, supporting structure.

Question 16

Compound Eye

Answer 16

An eye composed of many light detectors.

Question 17

Antenna

Answer 17

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

Question 18

Metamorphosis

Answer 18

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 19

Endoskeleton

Answer 19

An internal skeleton made of bone or cartilage.

Question 20

Water Vascular System

Answer 20

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

Question 21

Roundworms

Answer 21

The roundworms constitute the phylum Nematoda, with plant-parasitic nematodes being known as eelworms.

Question 22

Mollusks

Answer 22

An invertebrate of a large phylum which includes snails, slugs, mussels, and octopuses.

Question 23

Annelid worms

Answer 23

The annelid worms are a large phylum, with over 22,000 extant species including rag worms, earthworms, and leeches.