Science 5

Question 1

To produce food, green plants use:

Answer 1

water, nutrients, sunlight, carbon dioxide (from the air) and chlorophyll.

Question 2

Plants are green because of:

Answer 2

chlorophyll

Question 3

Many plants enter a period of _________ in the winter, which is similar to hibernation for animals. During this period most of their normal activities stop.

Answer 3

dormancy

Question 4

An organism’s __________ provides food, water, shelter and space.

Answer 4

habitat

Question 5

All of the organisms in a forest make up a _______, and all of the organisms in a pond make up a pond___________.

Answer 5

forest community, pond community

Question 6

All energy comes from ______, and then cycles through the food webs to all of the animals in the community.

Answer 6

the sun

Question 7

___________ get energy directly from the sun and use it to make food.

Answer 7

plants

Question 8

Because plants produce their own food, they are called _____.

Answer 8

producers

Question 9

Other organisms do not get their energy directly from the sun. They get their energy by:

Answer 9

eating plants, or eating animals that have eaten plants.

Question 10

Organisms that get their energy from eating plants or other animals are called:

Answer 10

consumers

Question 11

The sun’s energy cycles through the ecosystem in this order:

Answer 11

sun->producers->consumers->decomposers

Question 12

All of the interrelated food chains in an ecosystem make up a:

Answer 12

food web

Question 13

Food chains and food webs always start with a:

Answer 13

the sun, then plants

Question 14

The food chain starts with a producer (a plant) and ends with a:

Answer 14

decomposer

Question 15

Decomposers like ______break down organisms and recycle them back to the nutrient pool.

Answer 15

Fungi

Question 16

All of the living and nonliving things in an environment make up:

Answer 16

An ecosystem

Question 17

Everything in an ecosystem depends on everything else. Humans often destroy ecosystems by:

Answer 17

Polluting ponds, chopping down forests, etc.

Question 18

The specific place an organism has in the food web is the organism’s:

Answer 18

Niche

Question 19

The niche of every organism is different, and an organism’s niche changes as it grows. A niche is the organism’s role in the community, and includes:

Answer 19

what it does, what it eats, and what eats it

Question 20

All organisms have _________that allow it to survive in its environment.

Answer 20

Adaptations