C 8

Question 1

Leaves are organs made of

Answer 1

cells and tissues

Question 2

The outside layer of cells on the top and bottom of a leaf make up the

Answer 2

epidermis tissue

Question 3

Why should a plant’s pores be able to open and close?

Answer 3

So that the pores can allow water vapor, carbon dioxide, and oxygen to enter and exit

Question 4

Food is made in the cells of the

Answer 4

palisades tissue

Question 5

What contains very thin, long cells that form hollow tubes?

Answer 5

veins

Question 6

The cells in what have spaces between the that air can pass through

Answer 6

epidermis

Question 7

What is the process by which plants use to make sugar for food?

Answer 7

photosynthesis

Question 8

What is the process by which CELLS break down sugar to release energy?

Answer 8

Cellular respiration

Question 9

What is the Earth’s primary energy source?

Answer 9

The sun

Question 10

What is use in photosynthesis?

Answer 10

sun, carbon dioxide, water

Question 11

What is produced in photosynthesis?

Answer 11

sugar and oxygen

Question 12

What is used in cellular respiration?

Answer 12

sugar and oxygen

Question 13

What is produced in cellular respiration

Answer 13

carbon dioxide
water
sugard

Question 14

An animal that hunts and eats another animal is called a

Answer 14

predator

Question 15

An animal that is hunted by others for food is called a

Answer 15

prey

Question 16

What are organisms that make their own food?

Answer 16

producers

Question 17

What are organisms that cannot make their own food?

Answer 17

consumers

Question 18

List the 4 types of consumers and how each obtain their food

Answer 18

S – scavengers - dead animals
O – omnivore - animals and plants
C – carnevores - meat
H - herbivores – plants

Question 19

What are the organisms that get their energy by breaking down wastes and dead organisms

Answer 19

decomposers

Question 20

A long term relationship between two different
organisms is called

Answer 20

symbiosis

Question 21

What are the rules for symbosis?

Answer 21

One gets helped; One gets helped, hurt or nothing happens

Question 22

What are all of the conditions surrounding an organism

Answer 22

environment

Question 23

Give an example of a slow change in an environment

Answer 23

Sahara desert; ice melting

Question 24

Give an example of a fast change in an environment

Answer 24

flood hurricane

Question 25

What is the struggle of organisms for the same limited resources called

Answer 25

competition

Question 26

What is any substance that damages the environment called

Answer 26

pollution

Question 27

What is an attempt to preserve or protect an environment from harmful changes

Answer 27

conservation

Question 28

What is the difference between native and nonnative species?

Answer 28

A native is born or lives naturally in a place. A nonnative is new to a place and did not occur naturally

Question 29

Name one type or example of pollution

Answer 29

Oil spill; smoke from cars