Populations & Predator Prey

This is the largest number of individuals of a population that the environment can support...

• carrying capacity

• population crash

• lag phase

• mutualism

If there is more food than usual in an ecosystem, then the population will mostly likely...

• stay the same
• decrease
• increase
• reach carrying capacity

According to the graph, what is causing the deer population to decrease

• They got sick

• The wolf population is decreasing

• The wolf population increased

• They ran out of food

How will competition affect the carrying capacity of an ecosystem for the animal in competition?

• Decrease
• Increase
• Will show not affect
• Competition does not exist in nature

_{If the amount of food or resources available increases, the carrying capacity for an animal.....}

• Stays the same

• Increases

• Decreases

• Fluctuates

When a population grows past the ecosystem's carrying capacity, what happens to the population?

• Continues to grow

• The population starts to die off to return to carrying capcity

• The population will go extinct due to lack of resources

• The population grows then finds a new carrying capacity

In a forest ecosystem, which of the following is the best example of a limiting factor for a rabbit population?

• The squirrel population

• The amount of sunlight

• Amount of grass available

• Rabbits have no limiting factors

How many carnivores are shown in this food web?

• 6
• 4
• 5
• 3

Predator population lags behind prey population because......

• Increase in predators leads to decrease in prey

• Increase in predators leads to increase in prey

• Increase in predators leads to decrease in producers

• Increase in producers leads to increase in prey

Water, sunlight, shelter, and space are resources that are often........

• abiotic limiting factors

• biotic limiting factors

• non-limiting factors

• exponetial factors