ch4 food web and energy test review

Front

What is biomagnification?

Back

The process by which toxins are passed from one trophic level to the next within a food web and thereby increase in concentration.

Front

What is a food chain?

Back

A simple diagram with arrows showing a single pathway of energy flow among multiple organisms.

Front

What is bioaccumulation?

Back

The process by which toxins build up in individual organisms over time.

Front

Which of the following is not necessary for photosynthesis to occur?

Back

Oxygen.

Front

During the process of Chemosynthesis, which organisms use chemicals to create energy?

Back

Bacteria.

Front

What is a food web?

Back

A complex diagram that shows all the interconnected food chains in an ecosystem.

Front

What role do producers play in a food web?

Back

Producers, like plants, convert sunlight into energy through photosynthesis, forming the base of the food web.

Front

What are primary consumers?

Back

Organisms that eat producers; they are the second trophic level in a food web.

Front

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

Back

A food chain shows a single pathway of energy flow, while a food web shows multiple interconnected pathways.

Front

What is the significance of decomposers in an ecosystem?

Back

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