TMS Science 7 Semester 2 Study Guide (Re-engagement) 2025

Front

What are the reactants for photosynthesis?

Back

Carbon dioxide and water.

Front

What type of energy is absorbed during photosynthesis?

Back

Light energy.

Front

What type of energy is produced during photosynthesis?

Back

Chemical energy.

Front

What is a predatory relationship in a food web?

Back

A relationship where one organism (predator) hunts and eats another organism (prey). Example: Lion and zebra.

Front

What happens when resources in an ecosystem become limited?

Back

Populations compete for resources.

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 role of chlorophyll in photosynthesis?

Back

Chlorophyll absorbs light energy, which is used to convert carbon dioxide and water into glucose.

Front

What is a food web?

Back

A system of interrelated food chains in an ecosystem.

Front

What is the difference between a food chain and a food web?

Back

A food chain is a linear sequence of organisms through which nutrients and energy pass, while a food web is a complex network of interconnected food chains.

Front

What is an ecosystem?

Back

A community of living organisms interacting with their physical environment.