Population Ecology

What factor describes when populations increase because animals are moving into a population?

• Emigration
• Limiting Factors
• Immigration
• Exponential Growth

What does the graph represent?

• Emigration
• Exponential growth
• Immigration
• Logistic Growth

Which limiting factor is independent of the number of individuals in a population?

• competition
• parasitism/disease
• stress
• natural disasters

Largest number of individuals of a population that the environment can support...  

• carrying capacity
• population crash
• lag phase
• mutualism

What is the carrying capacity for this sheep population?

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

When a population grows past the ecosystem's carrying capacity, what happens to the population?

• Continues to grow
• The population starts to die off to return to carrying capcity
• The population will go extinct due to lack of resources
• The population grows then finds a new carrying capacity

Food, water, sunlight, shelter, and space are resources that are often __________.

• limiting factors
• wet
• messy
• found in rocks

In a forest ecosystem, which of the following is the best example of a limiting factor for a rabbit population?

• Squirrel Population
• Sunlight
• Grass available

What point on the graph represents the carrying capacity?

• A
• B
• C
• D

Which of the following are density dependent factors?

• competition for resources

• predation

• disease

• natural disasters