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- 1. Multiple Choice
Which is a nonliving part of an ecosystem?
fish
snail
water
lily pad
- 2. Multiple Choice
Sasha made a model of a food chain. The living things in her food chain were a cricket, a frog, a snake, and a hawk. Which is missing from the model of Sasha’s food chain?
prey
consumer
producer
food source
- 3. Multiple Choice
Which organism would be found at the bottom of a food pyramid?
bee
robin
snake
flower
- 4. Multiple Choice
Which kind of diagram shows how much energy passes along as one organism consumes another?
decomposition
energy pyramid
food chain
food web
- 5. Multiple Choice
What does a food web show?
what food organisms eat
why organisms find food
how predators catch prey
when organisms seek food
- 6. Multiple Choice
Which is an example of a decomposer?
grass
bird
snake
mushroom
- 7. Multiple Choice
Newly introduced plants compete with native plants for resources. Which statement describes what is likely to happen to native plants that compete with fast-growing newly introduced plants?
their numbers will decrease
their numbers will stay the same
their numbers will increase slightly
their numbers will increase greatly
- 8. Multiple Choice
Which description is of a producer?
an animal that eats only plants
the process plants use to make food
a living thing that makes its own food
a living thing that eats other living things
- 9. Multiple Choice
In this food web, from where does the frog get matter?
from fish
from the snail
from the grass
from the grasshopper
- 10. Multiple Choice
What role do nonliving things play in an ecosystem?
They provide shelter, gases, and liquids to plants and animals.
The prevent competition among populations.
They determine which plants and animals can live there.
They help control the effect humans might have on the ecosystem.
- 11. Multiple Choice
How does the energy and food matter move from the raspberry bushes to the fox in the food web?
The rabbit eats the raspberry bushes, the bird eats the rabbit, and the fox eats the bird.
The grasshopper eats the raspberry bushes, the rabbit eats the grasshopper, and fox eats the rabbit.
The bird eats the raspberry bushes, and the fox eats the eats the bird.
The spider eats the grasses, the grasshopper eats the spider, the bird eats the grasshopper, and the fox eats the bird.
- 12. Multiple Choice
Which of the following are first level consumers?
flowers
rabbits
wolves
owls
- 13. Multiple Choice
Which statement is correct about plants and animals?
Plants depend only on animals for food.
Animals depend only on plants for food.
Plants do not depend upon animals to survive.
Plants and animals depend on matter produced by the other to survive.
- 14. Multiple Choice
Prairie dogs are a type of rodent that lives in large groups. They eat grass and seeds. Which ecosystem would best meet the needs of the prairie dogs?
grassland
forest
desert
tundra
- 15. Multiple Choice
Which of the following tells how much energy an organism uses for life processes?
1/10
9/10
3/10
8/10
- 16. Multiple Choice
Which of the following tells how much energy an organism stores in its body parts and is passed on to the next consumer?
1/10
9/10
3/10
8/10
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