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WorksheetsChanges in Population
Total questions: 11
Worksheet time: 22mins
Which statement BEST describes how limiting factors affect the organisms in an ecosystem?
They destroy resources organisms need to survive.
They provide what an organism needs to survive.
They keep a population from getting too large.
They have no effect on the organisms in an ecosystem.
The amount of deaths that occur within a certain time frame represents the __________.
immigration
birth rate
emigration
death rate
Which of the following is the amount of organisms in a given amount of space?
Carrying capacity
Limiting factor
Emigration
Population density
A disease kills most members of a predator population. What is the MOST LIKELY effect on the prey population?
It will also be killed by the disease.
It will decrease in size.
It will greatly increase in size.
It will not be affected by the change in the predator population.
Which of the following will help a population increase?
limiting factors
pollution
poaching
immigration
If the death rate is greater than the birth rate, the population will _____________.
decrease
increase
stay the same
go extinct
The amount of births that occur within a certain time frame represents the __________.
immigration
birth rate
emigration
death rate
What occurs when organisms leave a population to join another one?
immigration
death
birth rate
emigration
If animals cannot find enough places to build nests, which of the following could be a limiting factor?
food
space
water
disease
If an area has all the wolves that it can support, the wolf population has reached its _____________.
carrying capacity
population density
immigration
death rate
Limiting factors can only be abiotic factors.
True
False
