Carrying Capacity Quiz

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

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What is the carrying capacity of the graph?

• 1000

• 8000

• 800

• 600

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The largest number of individuals that an environment can support long term is...

• carrying capacity

• emigration

• immigration

• population density

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Which of the following would INCREASE the carrying capacity of an ecosystem?

• increase in predators
• disease
• increase in available food
• drought

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When death rate is equal to birth rate...

• population increases

• population decreases

• population stays the same.

• population rapidly increases then becomes stable

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When birth rate is high and death rate is low...

• population increases

• population decreases

• population stays the same

• all of these

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If a disease destroying barley plants in a field swept through an ecosystem, what would happen to the barley eating bird population in the the field ?

• The bird population would stay the same
• The bird population would infinitely increase
• The bird population would decrease

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The largest number of individuals that an area can support is called its _______.

• limiting factor
• abiotic factor
• resource availability
• carrying capacity

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A scientist was studying a population of fish in a pond over a period of 10 years. He observed that

the population increased each year for 3 years, and then remained nearly constant for the rest of

the study. The best explanation for this observation is that the population had

• stopped reproducing

• reached carrying capacity

• mutated into a different species

• run out of food and all died

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The graph to the right shows the interaction of the wolf and moose populations on Isle Pekie. If the moose population continues to increase, the wolves' food supply will increase. What will most likely happen to the wolf population as a result?

• It will decrease.

• It will increase.

• It will remain the same.

Tags

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