Chapter 3 Test Review

A habitat has enough water and space to support five thousand rabbits; however, it only supports one thousand rabbits. What might be a reason for this?

• The area is too small.

• The climate is not suitable for five thousand rabbits

• It only has enough food for one thousand rabbits.

• There are too many predators.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

An insect looks like a leaf, so it blends in with its surroundings and is hard for predators to see. The insect’s characteristic is an example of _______________________.

• Mimicry

• Camouflage

• Protective Coloring

• False Coloring

_______________________ ________________________ is the number of people, crops, or other living organisms that a specific area can support.

• Limiting Factor

• Population Density

• Population Factor

• Carrying Capacity

If rainfall in the area is less than expected in an area, what is the MOST likely result on the ecosystem?

• Water will become a limiting factor for the organisms.

• More organisms will immigrate into the area.

• The organisms will adapt in order to survive with less water.

• The death rate will increase for some populations.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

The main way that populations increase in size is through the ____________________ of offspring.

• Immigration

• Emigration

• Birth

• Death

Limiting factors _____________ the _____________ rate.

• decrease; death

• decrease; birth

• increase; birth

• increase; death

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

There are 300 rabbits in an area that measures 10 square meters. What is the population density of the rabbit population?

• 3 rabbits per square meter

• 30 rabbits per square meter

• 300 rabbits per square meter

• 3000 rabbits per square meter

The level of organization that includes two or more populations occupying the same area is called what?

• Organism

• Community

• Ecosystem

• Biosphere

If the death rate is higher than the birth rate, the population will likely _________.

• Increase

• Decrease

• Stay the same

• Double

If a deer population grew over a period of 10 years and then suddenly stopped growing, what would be the best explanation for this?

• They had run out of food.

• They had stopped mating.

• They had reached their carrying capacity.

• They had emigrated elsewhere.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4