Formative 1 Unit 8 Review

Front

What is nitrogen fixation?

Back

The process by which bacteria in the soil and lightning in the atmosphere convert nitrogen gas from the air into a form that plants can absorb and use.

Front

How much energy is typically passed on to the next trophic level in an ecosystem?

Back

10% of the energy from the previous level is passed on to the next trophic level.

Front

What are consumers in an ecosystem?

Back

Organisms that obtain energy by eating other organisms.

Front

Why is phosphorus important for living organisms?

Back

Phosphorus is crucial for cellular functions and is a key component of cell membranes.

Front

What role do decomposers play in the phosphorus cycle?

Back

Decomposers return phosphorus back into the soil, making it available for plants.

Front

What is the role of producers in an ecosystem?

Back

Producers are organisms that create their own food through photosynthesis, forming the base of the food chain.

Front

What is the difference between herbivores and carnivores?

Back

Herbivores eat plants, while carnivores eat other animals.

Front

What is the significance of the 10% rule in ecology?

Back

The 10% rule states that only about 10% of the energy from one trophic level is available to the next level.

Front

What are decomposers?

Back

Decomposers are organisms that break down dead or decaying organisms, returning nutrients to the soil.

Front

What is cellular respiration?

Back

Cellular respiration is the process by which cells convert glucose and oxygen into energy, carbon dioxide, and water.