Midterm Final Review

Front

What provides primary consumers with energy in an ecosystem?

Back

Producers are organisms that create energy through photosynthesis, serving as the primary energy source for primary consumers.

Front

What are predators that keep herbivores in check and maintain stability in an ecosystem called?

Back

Keystone species are crucial for maintaining the structure of an ecological community.

Front

What is global warming?

Back

Global warming refers to the rapid change in the Earth’s climate due to the increase in greenhouse gases.

Front

What is the sum of all the species in an ecosystem called?

Back

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

Front

What does the 'green world hypothesis' state?

Back

The 'green world hypothesis' states that the world is kept green by keystone predators that control herbivore populations.

Front

What role do producers play in an ecosystem?

Back

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

Front

What is a secondary consumer?

Back

Secondary consumers are organisms that eat primary consumers; they are typically carnivores or omnivores.

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What are decomposers?

Back

Decomposers break down dead organic material, recycling nutrients back into the 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 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 interconnection of multiple food chains.