What do living things need to survive?

Why do organisms need to interact with abiotic parts of an ecosystem?

What is the law of conservation of energy?

What do the arrows in a food chain show?

What is the first organism in a food chain?

If the Primary consumer has 1000 Joules of energy when it is eaten by the secondary consumers, how many Joules of energy will be transferred to the secondary consumer from the primary consumer?

How are decomposers considered both the start and end of the food chain?

How do decomposers obtain energy?

Where do you find the most bacteria in an ecosystem?

Is it possible for humans to stop ecosystem disruptions from happening entirely? Why or why not.

Explain how photosynthesis and cellular respiration play a role in the food web of an ecosystem.