WorksheetsImpacts to Populations
Total questions: 26
Worksheet time: 26mins
Biotic or Abiotic factor that restricts the growth of the population
carrying capacity
limiting factor
abiotic factor
biotic factor
In the graph to the right, what is the population of deer at the carrying capacity of the environment?
3
7
70
40
around 500
around 600
around 15
around 30
What will happen if all of the frogs in a population die?
The frogs' predators will decrease and the frogs' prey will increase
The frogs' predators will increase and the frogs' prey will decrease
Nothing. Frogs are producers and there are plenty of producers in the ecosystem.
When resources are not available a population will _____________ in size.
Increase
Decrease
Stay the same
Parasites and diseases will ______________ the size of a population, so the are examples of limiting factors.
Increase
Decrease
Stay the same
In many desert ecosystems, days are hot and nights are cold. Water is scarce, so animals seek water wherever possible. The spines of a cactus are actually leaves adapted to conserve water. The cactus plants have also adapted to live in thin, sandy soil. Which of the following is a biotic component of a desert ecosystem?
the thin, sandy soil
the wide temperature range
the scarcity of water
the spiny cactus leaves
What happens if a population grows past its carrying capacity?
The population keeps growing
The population starts to die off
The entire species will go extinct
The carrying capacity just increases
How will the population change
Final Population Size?
Population will...
An animal that hunts other animals for food is a ___________
herbivore
predator
prey
producer
