Dynamic Ecosystems Review

Front

What is an ecosystem?

Back

An ecosystem is all of the living and non-living things and how they interact with each other in a shared community.

Front

What is a predator-prey relationship?

Back

A predator-prey relationship is when one organism eats another, helping to prevent overpopulation and keeping populations healthy.

Front

What is secondary succession?

Back

Secondary succession is the process of regrowth in an ecosystem after a disturbance, such as a forest fire.

Front

In a parasitic relationship, what happens to one organism?

Back

In a parasitic relationship, one organism is harmed while the other benefits.

Front

What happens when water used to cool machinery is returned to a river?

Back

It raises the river water temperature, which can cause a decline in small invertebrate populations.

Front

What is the likely consequence of increased water temperature in a river?

Back

An increase in the number of water plants due to changes in the food web.

Front

Define biotic factors.

Back

Biotic factors are the living components of an ecosystem, such as plants, animals, and microorganisms.

Front

Define abiotic factors.

Back

Abiotic factors are the non-living components of an ecosystem, such as water, soil, and temperature.

Front

What is a climax community?

Back

A climax community is a stable and mature ecological community that has reached a steady state.

Front

What are limiting factors in an ecosystem?

Back

Limiting factors are environmental conditions that restrict the growth, abundance, or distribution of organisms.