Population Ecology

What factors increase population size

• Immigration

• Birth

• Death

• Emigration

• All of the above

What are density independent factors

• Parasites

• Earthquakes

• Disease

• Stress

Explain what density dependent factors are

• Affects the population no matter the density of inhabitants

• Affects the population when it reaches a certain density

The point in which an area cannot hold any more individuals in an area is called its what?

• carrying capacity
• capital capacity
• carrying capability
• limiting point

Tags

NGSS.MS-LS2-4

What type of growth model is this?

• exponential growth model
• logistic growth model
• Type I curve
• Type III curve

Tags

NGSS.MS-LS1-5

What is the carrying capacity for this sheep population?

• 1.8 million
• 1.25 million
• 1.6 million
• 1.o million

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

3 factors that can affect population size:

• number of births

• number of deaths

• number of divorces

• number of individuals the enter or leave a population.

Tags

NGSS.MS-LS2-4

Under ideal conditions with unlimited resources, a population will grow _________________.

• diversely

• expectantly

• density

• exponentially

When populations increase because animals are moving into a population?

• Emigration
• Limiting Factors
• Immigration
• Exponential Growth

When populations decrease because animals are moving out of a population?

• Emigration
• Limiting Factors
• Immigration
• Exponential Growth