MHS Biology Ecology Test Review

Front

What does it mean that humans are omnivores?

Back

Humans eat both meat and plants.

Front

Which of the following is an abiotic factor?

Back

Water.

Front

How is carbon stored deep in the lithosphere?

Back

As fossil fuels.

Front

What role do legumes like soybean plants play in the Nitrogen cycle?

Back

They fix nitrogen on root nodules.

Front

Which level of an ecological pyramid has the largest number of individuals and biomass?

Back

The level that contains producers.

Front

Define 'abiotic factors' in an ecosystem.

Back

Non-living chemical and physical parts of the environment that affect living organisms.

Front

What is the primary function of producers in an ecosystem?

Back

To convert solar energy into chemical energy through photosynthesis.

Front

Explain the term 'food chain'.

Back

A linear sequence of organisms through which nutrients and energy pass as one organism eats another.

Front

What is the significance of the nitrogen cycle?

Back

It is essential for converting nitrogen into forms that plants can absorb and use.

Front

Define 'biomass'.

Back

The total mass of living matter within a given unit of environmental area.