Unit 3 Test

Question 1

What is called when a sperm and egg meet?

Answer 1

zygotes

Question 2

What is having both eggs and sperms?

Answer 2

Hermaphriditic

Question 3

What is a sperm or egg?

Answer 3

gamate

Question 4

What do you need in a reproductive system?

Answer 4

male and female gametes

Question 5

In the Cambrian, what did plants produce?

Answer 5

Oxygen

Food (organic carbon)

Question 6

Where is carbon stored in our bones?

Answer 6

Calcium Carbonate

Question 7

A zygote grows and divides through what?

Answer 7

Mitosis (Telophase)

Question 8

When there is a sphere of 32 cells, what is it called?

Answer 8

blastula

Question 9

What is the prefix for stomach?

Answer 9

gastro

Question 10

What is deuterostome?

Answer 10

when an animal is formed anus first

Question 11

What is protostome?

Answer 11

when an animal is formed mouth first

Question 12

What can a muscular foot used for?

Answer 12

Movement

Pump that can be used to fitlter feed

Question 13

What is another word for organs?

Answer 13

Viceral

Question 14

What is another word for a sack of organs?

Answer 14

coelum, viceral mass

Question 15

Want does Photosynthesis give?

Answer 15

Oxygen and Carbon

Question 16

What is organic carbon useful for?

Answer 16

You eat (decaying is easier to eat than fresh)

Question 17

What makes up soil?

Answer 17

humus (organic carbon in the soil)

rock particles

Question 18

Early on, there was packed dirt, what was the type of animal that would eat on the top of it?

Answer 18

grazers

Question 19

t What has the cause of di isrt stirring up?

Answer 19

grazers and burrowers

Question 20

Wlhat is the impact of dirt stirring up?

Answer 20

A release of oxygen

Carbon dioxide is made

Question 21

What happened in regard to oxygen cooling the earth?

Answer 21

Ice Age

Permian Extinciton

Question 22

Why is there no longer ice ages?

Answer 22

There is more CO2 being pumped into the aptmoshere

Question 23

How is decaying material sped up?

Answer 23

Through enzymes in their diet

Question 24

Cheata?

Answer 24

Long hairs

Question 25

Polycheata?

Answer 25

Many long hairs

Question 26

Oliocheta?

Answer 26

Scarce long hairs

Question 27

What is a monophyletic tree?

Answer 27

branched tree

one ancestor species

Question 28

What is a polyphyletic tree?

Answer 28

You cant trace all the species to one ancestor

Question 29

What are polychetes characterisics?

Answer 29

many long hairs and parapos

Question 30

How is the Oliaocheta and Herididita simular?

Answer 30

This reproductive structer protella
The band around their neck
Produces a mucus sack to protect the eggs

Question 31

Heridita?

Answer 31

They are the suckers

Question 32

What is the job of the digestive system?

Answer 32

Digest food and obsorb nutrients

Question 33

What are the organs in the digestive system?

Answer 33

stomach (digests food)

Intestines (absorbs nutrients)

Question 34

Where is the stomach and intestines seperated?

Answer 34

Gizzard

Question 35

What organs make up the nervous system?

Answer 35

Brain (Processing)
Spinal Cord (from brain to body) Transmitting
Sensory organs (eyes) to brain

Question 36

What does the cardiovascular system contain?

Answer 36

heart
Dorsal vessal
Ventral Vessel
Capilary

Question 37

What happens when blood in the capilary bed?

Answer 37

It spreds out

Question 38

How does the excretory system begin?

Answer 38

when the blood is sent out in the capilary bed, a tube catches the waste, and the fluid is filtered out

Question 39

What two things is filtered out through the excretory system?

Answer 39

Ammonia

Salt