Population Dynamics - S7L4c

A population is...

• A group of one species in one area
• Multiple species that live in one area
• All of the living and nonliving things in an area
• None of these

Which is a biotic factor?

• soil

• air

• bacteria

• water

As a population of a species increases within a territory, which of the following most likely also increases?

• Immigration

• Food supply

• Carrying capacity

• Competition

Which of the following populations is most likely to go extinct?

• a very small population in an unstable environment

• a moderate-sized population of r strategists

• a large population with lots of genetic variability

• all would be equally likely to go extinct

Tags

NGSS.HS-LS4-5

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

• grow
• shrink
• stay the same
• None of these

Tags

NGSS.HS-LS2-6

Which of the following represent abiotic factors that affect an environment?

• Fish, trees, and bacteria

• Alligators, ferns, and snakes

• Temperature, wind, and soil type

• Birds, mushrooms, and insects

Tags

NGSS.MS-LS2-3

What is the carrying capacity of the following graph?

• 1000
• 8000
• 800
• 600

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

The number of deaths in a given period of time.

• birth rate

• death rate

• life expectancy

The number of births occurring in a given period of time.

• birth rate

• death rate

• life expectancy

What type of population growth is shown in the graph?  

• logistic growth
• logical growth
• exponential growth
• density-dependent growth