ECOSYSTEMS!

#1

100

The living and nonliving things that interact in an environment? A. Organism B. Ecosystem C. Community D. Population

B. Ecosystem

200

What is the name of a consumer that eats plants AND animals? A. omnivore B. herbivore C. producer D. carnivore

A. omnivore

300

What is an overlapping food chain? A. Ecosystem B. Organism C. Food Web D. Carnivore

C. Food web

400

What is a producer? A. A consumer that eats only meat B. A consumer that eats only plants C. A carnivore D. An organism that makes its own food

D. An organism that makes its own food

500

What is a primary consumer? A. a plant B. an animal that eats only plants C. an animal that eats other animals D. an animal that eats both plants and animals

B. an animal that eats only plants

#2

100

What is the beginning group of all food chains? A. consumers B. herbivores C. producers D. the sun/light

D. the sun/light

200

What is an animal that is hunted for food? A. predator B. consumer C. prey D. producer

C. prey

300

What is a living thing that gets energy by eating plants or animals for food? A. producer B. consumer C. herbivore D. sun

B. consumer

400

What is a living thing that breaks down dead things for food? A. producer B. consumer C. carnivore D. decomposer

D. decomposer

500

What is an animal that hunts another animal for food? A. prey B. producer C. photosynthesis D. predator

D. predator

#3

100

If there was a drought for many years, what would likely happen to the grass and mice? A. the grass would grow quickly and there would be many mice. B. the grass would grow quickly and there would be less mice. C. the grass would wilt and die and there would be many mice. D. the grass would wilt and die and there would be less mice.

D. the grass would wilt and die and there would be less mice.

200

What ecosystem would you find a dry climate, sand, and cacti year round? A. tropical rain forest B. desert C. arctic D. swamp

B. desert

300

Which of the following do producers need to make their own food? A. sunlight and water B. sunlight, water and oxygen C. sunlight, water and carbon dioxide D. sunlight

C. sunlight, water and carbon dioxide

400

If hawks eat mice, the mice eat grasshoppers and the grasshoppers eat grass, what is most likely to happen if there is a shortage of grasshoppers? A. The number of mice and hawks will increase B. The amount of grass will decrease C. The amount of mice and hawks will decrease D. The amount of mice will increase, but the amount of hawks will decrease

C. The amount of mice and hawks will decrease

500

What is a consumer that eats only animals? A. Herbivore B. Omnivore C. Producer D. Carnivore

D. Carnivore

#4

100

Which is a decomposer? A. mushroom B. hawk C. mouse D. algae

A. mushroom

200

Which is a producer? A. mushroom B. tree C. blue jay D. fox

B. tree

300

Which is a secondary consumer? A. grass B. mushroom C. wolf D. deer

C. wolf

400

Which shows the steps of the food chain in order? A. consumer, producer, decomposer, sun B. sun, producer, consumer, decomposer C. producer, decomposer, consumer, sun D. decomposer, sun, producer, consumer

B. sun, producer, consumer, decomposer

500

What organism in a food chain would have the GREATEST impact on the whole food chain if it were removed? A. hawk B. snake C. grass D. mouse

C. grass

#5

100

If a fox and hawk both eat rodents (mice, rats, ect.), what would happen to the rodents if the fox and hawk population doubled? A. the rodent population would increase B. the rodents would move to a different ecosystem C. the rodent population would decrease D. the rodents would have more babies

C. the rodent population would decrease

200

Which list shows all herbivores? A. zebra, elephant, fox B. giraffe, hawk, rabbit C. rabbit, giraffe, zebra D. wolf, fox, lion

C. rabbit, giraffe, zebra

300

There is a fire that destroyed all the trees and grass, but all the animals got away safely. After a few years, if the animals return, which has the best chance of survival? A. spider B. chipmunk C. grasshopper D. owl

C. grasshopper

400

Food webs are just a model. It doesn't always show what actually happens in nature because- A. the interactions of animals are too complex to show on the web B. it may have some inaccurate information C. Both a and b D. Neither a nor b

C. Both a and b

500

Name one of each: Omnivore: Herbivore: Carnivore: Producer: Decomposer:

O-mouse, fox, people H-zebra, elephant, rabbit C-wolf, lion, shark P-cactus, trees, flowers D-mushroom, snail, worm