Ecology EOC Review

Front

What are plants called in a food chain?

Back

Producers / Autotrophs

Front

Why might an organism have more than one arrow coming FROM them in a food web?

Back

More than one organism may eat them.

Front

What happens to the amount of available energy in the pyramid as it moves up through the different levels?

Back

It decreases.

Front

What is the greenhouse effect?

Back

The warming of a planet due to trapped radiation.

Front

If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 2?

Back

100 Kcal

Front

What is the role of decomposers in an ecosystem?

Back

Decomposers break down dead organic matter, returning nutrients to the soil.

Front

Define autotrophs.

Back

Autotrophs are organisms that produce their own food, typically through photosynthesis.

Front

What is a food web?

Back

A food web is a complex network of feeding relationships among organisms in an ecosystem.

Front

Explain the concept of trophic levels.

Back

Trophic levels represent the hierarchical levels in an ecosystem, defined by how organisms obtain energy.

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 interconnected food chains.