Population Dynamics and Human Impact

Using the graph : Predict what was happening to the wolf population on Isle Royale from 1989-1994

• increasing

• decreasing

• staying the same

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Look at the graph to answer the question: When the graph is decreasing, is the birth rate or death rate higher?

• birth rate

• death rate

Tags

NGSS.MS-LS2-4

What factor describes when populations increase because animals are moving into a population?

• Emigration

• Limiting Factors

• Immigration

• Exponential Growth

What factor describes when populations decrease because animals are moving out of a population?

• Emigration

• Limiting Factors

• Immigration

• Exponential Growth

What will happen to the population when the birth rate is larger than the death rate?

• grow

• shrink

• stay the same

Tags

NGSS.MS-LS2-4

What does the term carrying capacity describe?

• The maximum number of birth rates for a population.

• The ability of a population to accept new immigrants.

• The ratio of birth rates to death rates in a population.

• The population size that the environment can sustain.

What 2 factors decrease population size?

• Immigration, Births

• Emigration, Births

• Emigration, Deaths

• Immigration, Deaths

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

• increase in predators

• disease

• increase in available food

• drought

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

If the carrying capacity of a predator decreases, what will happen to the carrying capacity of the prey?

• Will Increase

• Will Decrease

• Will stay the same

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

The primary cause of invasive species introduction is

• too much food

• human actions

• weather events

• asteroids

Tags

NGSS.MS-ESS3-4