Science Energy Sources and Ecosystems Review

What are nonrenewable resources?

• They are natural resources that are in abundant supply or that can replenish themselves

• They are natural resources that are in limited supply or that take a long time to create

• They are artificial resources that humans use but are not bale to be recycled or reused?

• They are abundant natural resources that humans do not have to recycle or reuse.

What are renewable resources?

• They are natural resources that are in limited supply or that take a long time to create

• They are natural resources that are in abundant supply or that can replenish themselves

• They are synthetic resources that humans use but are not able to recycle or reuse

• They are abundant natural resources that cannot replenish themselves

How does energy from the sun become part of a food chain?

• it is taken in by secondary consumers when they graze on grass

• it is released when decomposers break down dead or rotting matter

• it is absorbed through the skin of tertiary consumers as they hunt

• it is used by producers at the bottom of the food chain to produce food for the consumers

What is the correct order of events in the food chain?

[A] secondary consumer eats primary consumer

[B] producer uses sunlight to make food

[C] decomposer breaks down remains of dead primary consumer

[D] primary consumer eats producer

• A, B, C, D

• B, D, A, C

• B, A, D, C

• C, B, D, A

Which term refers to microscopic plants?

• copepod

• zooplankton

• phytoplankton

• consumers

Which of the following are biotic (living) factors? (select all that apply)?

• water

• light

• minerals

• plants

• animals

_________ eat both plants and animals.

• carnivores

• omnivores

• herbivores

Which organisms are producers?

• bear

• human

• oak tree

• grass

_________ is the process that producers use to make their own food.

• pollination

• decomposition

• photosynthesis

In the food chain shown, which animals are prey? (select all that apply)

• grass

• grasshopper

• frog

• snake

• eagle