Question: Choose your answer.

In any ecosystem, organisms interact with biotic and abiotic parts of the environment. As a result of all of the interactions, the matter within the system is

OPTIONS:
- produced when plants grow.
- recycled when organisms die.
- lost when animals and plants die.
- formed when new animals are born.
My Answer: recycled when organisms die.

Question: Choose your answer.

In which oceanic zone do clams and crabs survive by burrowing in the sand?

OPTIONS:
- oceanic
- intertidal
- deep ocean
- open ocean
My Answer: intertidal

Question: Choose your answer.

Which energy resource is renewable?

OPTIONS:
- fuel oil
- natural gas
- wind
- coal
My Answer: wind

Question: Choose your answer.

When plants and animals die, which organisms help return nutrients to the food chain?

OPTIONS:
- decomposers
- predators
- prey
- producers
My Answer:
decomposers