Populations and Communities Test

If the birth rate is higher than the death rate, then the population...

• increases

• decreases

• stays the same

• goes extinct

When a population is in ideal conditions with unlimited resources, like most humans, the population grows in a pattern called ...

• patterned growth cycle

• population density

• exponential growth

• growth rate

During exponential growth, the larger the population gets, the

• slower it grows

• faster it grows

• death rate increases

All members of a species in an area at the same time makes up a(n)

• community

• population

• ecosystem

• niche

What is a group of organisms of similar traits that can reproduce and have offspring?

• genus

• species

• niche

• population

What restricts the size of a population?

• limiting factors

• growth rate

• birth rate

• size of species in populations

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

All of the following are examples of limiting factors except...

• disease

• time

• water/food shortage

• temperatures

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

The size of a population compared to the amount of space available...

• biotic potentials

• population density

• niche

• threatened species

a group of organisms that live in an area at one time, as well as the climate, soil, water, and other non-living parts.

• ecosystem

• population

• community

• niche

In perfect conditions, the population grows as expected with no limiting factors, it is meeting its ...

• population density

• population potential

• biotic potential

• niche