Semester 1 Final Review #4

Front

Why are decomposers important in the stability of an ecosystem?

Back

Decomposers recycle nutrients, which is essential for maintaining the balance of ecosystems.

Front

What do groups of different species that live together in a defined area make up?

Back

A community.

Front

What do detritivores consume?

Back

Dead plant or animal remains.

Front

What is cellular respiration?

Back

The process of converting food energy into energy that cells can use.

Front

How do plants obtain the nitrogen they need to make proteins and DNA?

Back

From the ammonia in the soil produced by nitrogen-fixing bacteria.

Front

What role do producers play in an ecosystem?

Back

Producers convert sunlight into energy through photosynthesis, forming the base of the food chain.

Front

What is the difference between a population and a community?

Back

A population consists of individuals of the same species, while a community includes different species living together.

Front

What is the primary function of decomposers in an ecosystem?

Back

To break down dead organic matter and recycle nutrients back into the soil.

Front

What is photosynthesis?

Back

The process by which green plants use sunlight to synthesize foods with the help of chlorophyll.

Front

What is the significance of nitrogen-fixing bacteria in the nitrogen cycle?

Back

They convert atmospheric nitrogen into ammonia, making it available for plants.