populations

If shark disappeared from this food chain, what is a likely outcome?

• All other species would increase in population

• The squid would soon overpopulate and cause a crash in the small fish population

• A new predator would evolve to eat the squid

• The food chain would be more balanced

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

If a population grows larger than the carrying capacity, what happens?

• death rate rises

• birthrate rises

• death rate falls

• birth rate and death rate remain the same

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What can cause a population to grow?

• The birthrate become higher than the death rate

• The birthrate stays the same, and the death rate increases

• The birthrate becomes lower than the death rate

• The birthrate and death rate remain the same

Food, water, sunlight, shelter, and space are resources that are often __________.

• limiting factors
• wet
• messy
• found in rocks

Tags

CCSS.RI.8.4

CCSS.RI.9-10.4

CCSS.RL.7.4

CCSS.RL.8.4

CCSS.RL.9-10.4

number of organisms per certain area

• carrying capacity
• limiting factor
• total population
• population density

Tags

NGSS.MS-LS2-1

______________ is all of the living and nonliving things in a given area.

• a population

• a community

• an ecosystem

• the biosphere

Tags

NGSS.MS-LS2-3

All of the meerkats that live in the same place at the same time make up a ____________.

• Community

• Ecosystem

• Population

• Biosphere

Tags

NGSS.HS-LS2-2

NGSS.HS-LS2-8

Demography is:

• The study of democracy.

• The study of human populations.

• The study of graphs.

• The study of ecosystems.

Which of the following is NOT an example of a Density Dependent Factor?

• Parasitism

• Natural Disasters

• Predation

• Competition

Tags

NGSS.HS-LS2-1

The movement of individuals into an area is known as:

• Supplementation

• Emigration

• Immigration

• Eradication