Science Ch 12 Test

Question 1

Which of the animals is sessile

Answer 1

Sponge

Question 2

What charactestis is one of of all animals

Answer 2

Digest food

Question 3

What animal has a mouth and anus

Answer 3

Roundworms

Question 4

What characteristics do scientist use to classify sponges

Answer 4

Material that make up their skeleton

Question 5

How do sponges reproduce asexually

Answer 5

Budding

Question 6

Which group does nememotodes belong too

Answer 6

Minitoes

Question 7

What is the young organism that the fertilized egg of a sponge develops to

Answer 7

Larva

Question 8

An animal escapes from predators using

Answer 8

Physical adaptation

Question 9

T or F

Adaptions are inherited

Answer 9

T

Question 10

T or F

Invertebrates have backbones

Answer 10

F

Question 11

T or F

Coral reefs for predicted ecosystems and are extremely important in the ecology of traffickers water

Answer 11

T

Question 12

T or F

Cnidarians reproduce asexually and sexually and have the ability to regenerate

Answer 12

F

Question 13

T or F

Cnidarians are predators

Answer 13

T

Question 14

T or F

Cnidarians have two different body forms; polyp and anus

Answer 14

F

Question 15

T or F

Chemicals are used by certain animals to escape animals

Answer 15

T

Question 16

T or F

Camouflage is an adimation in which one animal closely resembles one animals

Answer 16

F

Question 17

T or F

Most species of sponges are hermaphrodite

Answer 17

T

Question 18

T or F

Organism that have no defendant shape are called symmetrical

Answer 18

F

Question 19

Charades tic of an animal

Answer 19

Digest food 
Can reproduce sexually and asexually
Many celled
Can't make own food
Move from place to place
Their cells have a membrane covered nucleus and organelles

Question 20

Which term describes a hydra

Answer 20

Carnivore