Food Chains and Food Webs

Front

What is a producer in a food chain?

Back

A producer is an organism that uses sunlight to make food through photosynthesis.

Front

Where does the energy in a food chain originate?

Back

The energy in a food chain starts from the Sun.

Front

What is a heterotroph?

Back

A heterotroph is an organism that eats other organisms to gain energy.

Front

Which organism receives energy from a snake in a food chain?

Back

A hawk receives energy from a snake.

Front

What percentage of energy is lost as heat or used by organisms for survival in an energy pyramid?

Back

90% of energy is lost as heat or used by organisms for survival.

Front

What is a food chain?

Back

A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another.

Front

What is a food web?

Back

A food web is a complex network of interconnected food chains in an ecosystem.

Front

What role do decomposers play in a food chain?

Back

Decomposers break down dead organisms and recycle nutrients back into the ecosystem.

Front

What is the difference between autotrophs and heterotrophs?

Back

Autotrophs produce their own food (e.g., plants), while heterotrophs consume other organisms for energy.

Front

What is an energy pyramid?

Back

An energy pyramid is a graphical representation showing the flow of energy at different trophic levels in an ecosystem.