Population Dynamics

What happens if a population grows past its carrying capacity?

• The population keeps growing

• The population starts to die off

• The entire species will go extinct

• The carrying capacity just increases

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Something that regulates the size of a population is called...

• a limiting measure

• a limiting factor

• carrying capacity

• biodiversity

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following would INCREASE the carrying capacity of an ecosystem?

• increase in predators
• disease
• increase in available food
• drought

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

When death rate is equal to birth rate...

• population increases

• population decreases

• population stays the same.

• population rapidly increases then becomes stable

When the death rate rises and the birth rate lowers...

• population increases

• population decreases

• population stays the same

• all of these

Tags

NGSS.MS-LS2-4

When birth rate is high and death rate is low...

• population increases

• population decreases

• population stays the same

• all of these

Which of the following is a biotic factor that would affect the carrying capacity of a population?

• Soil

• Predator

• Rainfall

• Sunlight

Tags

NGSS.MS-LS2-4

What occurs when ecological niches overlap and multiple organisms seek the same resources?

• Symbiosis

• Mutualism

• Competition

• Predation

What are factors that affect carrying capacity?

• Biotic only

• Biotic and abiotic

• Depends on the ecosystem

• Abiotic only

Tags

NGSS.MS-LS2-4

What is carrying capacity?

• A condition that occurs when two or more organisms compete for the same resources within an ecological community

• A relationship in which two organisms are mutually dependent on each other for survivial

• All the biotic and abiotic factors and the interactions among them in a given area

• The maximum number of organisms an ecosystem can support