PP7 Slides 40-70

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

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What is the carrying capacity of the graph?

• 1000

• 8000

• 800

• 600

Which of the following would likely result in an increase in members of a particular population?

• increasing the population's food supply

• removing some of the predators in an ecosystem

• having no disease among members of a population

• all of the above

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

• increase in the number of predators

• a forest fire results in many of the predators fleeing the area

• several mild seasons (winter, spring, summer, autumn) result in an increase in available food for prey

• a drought that last for several years

When death rate is equal to birth rate a particular ______________.

• population increases

• population decreases

• population stays about the same

• population rapidly increases then becomes stable

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

• population increases

• population decreases

• population stays the same

• all of these

In a forest community, a wading bird species enters an ecosystem and hunts for the same fish, frogs, and other small aquatic organisms as another species of wading birds. This would be an example of an increase in ________ among the bird species.

• abiotic factors

• competition

• space

• food supply

A wolf hunts for deer in an ecosystem. Identify the correct relationship below.

• Both organisms are producers.

• Both organisms are scavengers.

• Wolf is the prey and the deer is the predator.

• Wolf is the predator and the deer is the prey.

A robin eats a worm. The worm would be an example of a ___________.

• prey

• predator

• herbivore

• scavenger

The amount of sunlight and the moisture levels are both examples of abiotic factors in an ecosystem.

• TRUE

• FALSE