HBio Ecosystems & Populations

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.

When organisms move out of the population, this is known as

• emigration
• abandonment
• immigration
• succession

What type of growth model is shown in image B?

• Exponential

• Logistic

Any thing or organism that regulates the size of a population of another organism is known as __________.

• a limiting measure
• a limiting factor
• factorization
• materialization of precipitation

This graph shows ....

• When one population increases, the other decreases.

• When one population decreases, the other increases.

• When one population increases, the other increases instantly.

• When one population increases, it causes the other to increases shortly after.

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

What is the carrying capacity for this sheep population?

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

Mice are living happily in a field at a carrying capacity. The owls that live near that field die of old age. Which graph below shows what would happen to the mice population?

• 
• 
• 
• 

It's the number of organisms per unit area.

• community

• population capacity

• population density

• temporary population