Environmental Variables on Population- Kayne Zoe

What is carrying capacity?

• The maximum number of a species an environment can support or sustain

• The number of resources in a given habitat

• The perfect place for a species to inhabit

• All of the above

Acorns are the most desired food source for a population of Squirrels. Which of the following is the most direct effect of an increase of acorns on the squirrel population?

• the population expands its territory into new habitats.

• the population size increases.

• the population size decreases due to competition.

• the population has fewer predators.

A given population of Minecraft wolves is reaching carrying capacity, resulting in the growth rate slowing down. Which factor(s) could cause this to happen.

• an increase in the birthrate and a decrease in death rate

• an increase in the competition due to higher population density

• a decrease in younger individuals due to greater amounts of resources

• a decrease in immigration from neighboring populations

The sun, water, and other nonliving components of an ecosystem are all what kind of factors?

• Biotic

• Abiotic

• None of the above

In a local forest, the number of deer has increased exponentially over the past year. How would this affect the wolf population in this area.

• the wolf population would stay the same

• the wolf population would increase due to more resources

• the wolf population would decrease.

which of the following would affect a population?

• climate change

• deforestation

• lack of resources

• an increase amount of competition

Answer explanation

All of these can affect the population in one way or another.

If the baboon population were to decrease, which organism would show an increase in population?

• scorpion

• locust

• impala

• grass

What would happen if the impala population were to decrease?

• There would be an increase in the grass population.

• The scorpion population would decrease.

• The locust population would decrease.

• the type of grass the impala eats would decrease in population.

The population of Among Us has increased in the past couple of years due to the absence of Impostors. What would happen if the Impostors returned?

• The Among Us population would decrease.

• There would be no change in the ecosystem.

• The population of Among Us would increase.

• The Impostor population would decrease

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