Ecosystems and Limiting Factors

Ecosystems and Limiting Factors

Examples of ecosystems

Open Ended

What other types of ecosystems can you think of?

Pieces of an ecosystem

Abiotic factors - Non Living things

●Rocks

●Water

●Sunlight

●????

Biotic factors - Living things

●Plants

●Animals

●Bacteria

●????

Open Ended

What are some examples of abiotic factors?

Open Ended

What are some examples of biotic factors?

Factors that influence population growth

Limiting Factors

●Habitat space

●Predation

●Competition for resources

●Disease

●Pollution

●Climate change

Multiple Choice

Do you agree with the statement below, why/why not?

Deceasing the amount of water in an ecosystem will cause a decrease in the number of organisms in that ecosystem.

• Yes. Water is a resource and organisms need it to survive.

• Yes. Water is a biotic factor because organisms need it.

• No. Less water means that more organisms will survive because they have more space.

• It depends on the ecosystem. The amount of water and the number of organisms.

Frayer Model -
What are
limiting factors?