Limiting Factors- Density Dependent and Independent

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

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NGSS.MS-LS2-3

NGSS.MS-LS2-4

What is a Biotic Factor?

• The carrying capacity of an ecosystem

• A NON-living factor that can affect an ecosystem

• A living factor that can affect an ecosystem

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

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

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

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

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

If humans were to release a pack of wolves into the forest, what type of factor would this be?

• Abiotic

• Biotic

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

What is a population?

• All the organisms living in an area

• The living and non-living organisms in an area

• A group of the same species living in an area

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

Which of the following would cause an increase in the omnivore population?

• Increase in carnivores

• Humans hunting

• Increase in producers

• Increase in competition

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following would lead to a decrease in tertiary consumers?

• An increase in herbivores and omnivores

• An increase in rain

• A decrease in competition

• A new carnivore population moving to the area

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Limiting factors which impact the size of a population no matter how large/small that population is.

• Density Independent Limiting Factors

• Density Dependent Limiting Factors

• Carrying Capacity

• Exponential Growth

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4