Font size
WorksheetsPopulation Dynamics in Ecosystem
Total questions: 10
Worksheet time: 5mins
When a population is increasing.... (SELECT ALL THAT APPLY)
Birth rate > Death rate
Birth rate < Death rate
Immigration > Emigration
Immigration < Emigration
The first species to populate an area after a disturbance is called:
A pioneer species
A pilgrim species
A founder species
A primary species
All of the different species of living things in a given area is called:
Population
Community
Ecosystem
biome
What causes competition to occur in an environment?
Good conditions make resources plentiful.
Organisms struggle for a limited resource.
Members of a population have different roles.
A population falls below the environment’s carrying capacity.
Without other changes to a population, which of the following will cause a population to increase in size?
The birth rate equals the death rate.
The birth rate is less than the death rate.
The birth rate is greater than the death rate.
The birth rate and the death rate both equal 0.
Which of the following is an example of an abiotic limiting factor on population size?
water availability
Availability of food
disease
predation
If the populations of grasshoppers would decrease, what affect would that have on the population of lizards?
Increase
Stay the same
Decrease
Unable to determine
