Front

What is a food web?

Back

A food web is a complex network of interconnected food chains in an ecosystem, showing how energy and nutrients flow between different organisms.

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What is photosynthesis?

Back

Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of carbon dioxide and water.

Front

What are the three key factors required for photosynthesis?

Back

The three key factors required for photosynthesis are sunlight, carbon dioxide, and water.

Front

What happens to energy as it moves up an energy pyramid?

Back

As energy moves up an energy pyramid, it decreases due to energy loss at each trophic level.

Front

What is a keystone species?

Back

A keystone species is an organism that plays a critical role in maintaining the structure of an ecosystem, influencing the types and numbers of other species.

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 more complex network of multiple food chains.

Front

Why do food webs change over time?

Back

Food webs change over time due to factors like environmental changes, species extinction, and the introduction of new species.

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What role do producers play in a food web?

Back

Producers, such as plants, create their own food through photosynthesis and form the base of the food web.

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What are consumers in a food web?

Back

Consumers are organisms that cannot produce their own food and rely on eating other organisms for energy.

Front

What is a primary consumer?

Back

A primary consumer is an herbivore that eats producers (plants) in a food web.