Ecology Flashcard

Front

What is a living thing that affects the ecosystem?

Back

Biotic Factor

Front

What is the sum of all living matter on Earth?

Back

Biosphere

Front

What do we call plants that convert energy from the sun?

Back

Producer

Front

Which organism receives the least amount of energy from the producer?

Back

Owl

Front

If there are 100 KJ of energy available at the secondary consumer level, how many KJ of energy are available at the producer level?

Back

10,000 KJ

Front

What is the term for non-living components of an ecosystem?

Back

Abiotic Factor

Front

What is the role of decomposers in an ecosystem?

Back

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

Front

What is the primary source of energy for most ecosystems?

Back

The Sun

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.