Limiting Factor

What is an Abiotic Factor?

• A NON-living factor that can affect an ecosystem

• A living factor that can affect an ecosystem

• The carrying capacity of an ecosystem

Check all of the boxes that show examples of biotic factors.

• Rain

• Humans hunting

• Predators

• Wildfire

Check all of the boxes that are examples of abiotic factors.

• Prey

• Rainfall

• A pack of wolves

• A tornado

What is a limiting factor?

• Factors that always increase a population

• Factors that always decrease a population

• Resources that are unlimited

• Factors/resources that limit how many organisms can live in an area at the same time

If there was a wildfire in the forest that destroyed the plant life, what would happen to the herbivore population?

• Herbivores would decrease due to a lack of food

• Herbivores would increase due to an increase of food

• Herbivores would not be affected

• Herbivores would decrease due to an increase in predators

What is an ecosystem?

• All the organisms living in an area

• A group of the same species living together

• All of the organisms living in an area and the non-living environment around them

Choose the 4 limiting factors.

• Food

• Water

• Time

• Space

• Shelter

What is the overall trend of this population graph?

• Increasing

• Decreasing

• Constant

• No trend

Fish on a coral reef stake out their territory and chase away any younger fish that try to live there.

• Density-Dependent

• Density-Independent

An extensive drought in the Serengeti Plain threatens wildebeest, giraffe, zebra, and springbok populations.

• Density-Dependent

• Density-Independent