Ecological Principles - iCEV

Front

What is respiration in ecological terms?

Back

Respiration is the intake of oxygen to convert glucose to energy.

Front

What is a pioneer species?

Back

A pioneer species is the first species to colonize an area in primary succession.

Front

When was the Clean Water and Air Act created?

Back

The Clean Water and Air Act was created in 1948.

Front

What does NOT influence an organism’s niche?

Back

Commensalism does NOT influence an organism’s niche.

Front

Which organism does NOT conduct nitrogen fixation?

Back

Humans do NOT conduct nitrogen fixation.

Front

What is the role of nitrogen-fixing bacteria in ecosystems?

Back

Nitrogen-fixing bacteria convert atmospheric nitrogen into a form that plants can use.

Front

Define primary succession.

Back

Primary succession is the process of ecological change that occurs in an area where no soil exists, such as after a volcanic eruption.

Front

What is the significance of keystone species in an ecosystem?

Back

Keystone species have a disproportionately large impact on their environment relative to their abundance.

Front

What is the difference between a habitat and a niche?

Back

A habitat is the physical environment where an organism lives, while a niche is the role or function of that organism within its ecosystem.

Front

What is ecological succession?

Back

Ecological succession is the process by which ecosystems change and develop over time.