Ecology #2

If the number of births in a population is the same as the number of deaths in a population, what will happen to the growth of the population?

• It will increase.
• It will decrease.
• It will stay the same.
• It will fluctuate.

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

• carrying capacity
• population crash
• lag phase
• mutualism

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

Which kind of growth does the human population follow? It is described as a J-shaped curve.

• Exponential Growth
• Logistic Growth
• Outstanding Growth
• Minimal Growth

A population is...

• A group of one species in one area
• Multiple species that live in one area
• All of the living and nonliving things in an area
• None of these

What type of growth is represented behind?

• exponential
• logistics
• a good kind
• representative

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

Which of the following are examples of a density independent factors?

• forest fire

• seasonal cycles

• storms

• disease