Bio S1 Review 24-25

Front

What is the role of decomposers in the nitrogen cycle?

Back

Decomposers break down matter into ammonia, recycling nutrients back into the ecosystem.

Front

What does an ecological pyramid show?

Back

An ecological pyramid shows the relative amounts of energy, biomass, or numbers of organisms at each trophic level.

Front

What is the chemical equation for photosynthesis?

Back

6CO2 + 6H2O -> C6H12O6 + 6O2.

Front

Where does photosynthesis occur in plants?

Back

Photosynthesis occurs in the chloroplasts of plant cells.

Front

What is each step in a food chain or food web called?

Back

Each step in a food chain or food web is called a trophic level.

Front

What is the function of producers in an ecosystem?

Back

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

Front

Define biodiversity.

Back

Biodiversity refers to the variety of life in a particular habitat or ecosystem.

Front

What is a food web?

Back

A food web is a complex network of feeding relationships among organisms in an ecosystem.

Front

What is the significance of the carbon cycle?

Back

The carbon cycle is significant because it regulates the levels of carbon dioxide in the atmosphere, which is essential for life.

Front

What are trophic levels?

Back

Trophic levels are the hierarchical levels in an ecosystem, comprising producers, primary consumers, secondary consumers, and so on.