Bio Week 1

Front

What is a consumer in an ecosystem?

Back

A consumer is an organism that obtains energy by feeding on other organisms. It is also known as a heterotroph.

Front

What does the prefix 'exo-' mean?

Back

The prefix 'exo-' means 'outside'.

Front

Which organisms have the most energy available in an energy pyramid?

Back

Producers have the most energy available in an energy pyramid.

Front

What is a detritivore?

Back

A detritivore is an animal that feeds on dead organic material.

Front

What is nitrogen fixation?

Back

Nitrogen fixation is the process of converting nitrogen gas into nitrogen compounds that plants can absorb and use.

Front

What is a producer in an ecosystem?

Back

A producer is an organism that can make its own food, typically through photosynthesis, and serves as a source of energy for consumers.

Front

Define heterotroph.

Back

A heterotroph is an organism that cannot produce its own food and instead obtains its nutrients by consuming other organisms.

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 difference between a primary consumer and a secondary consumer?

Back

A primary consumer feeds directly on producers, while a secondary consumer feeds on primary consumers.

Front

What is an energy pyramid?

Back

An energy pyramid is a graphical representation of the energy flow in an ecosystem, showing the energy available at each trophic level.