Ecology Unit test review

What do scientists consider when measuring biodiversity in a habitat?

• Scientists consider only plants

• Scientists consider only animals

• Scientists consider only fungi

• Scientists consider all living organisms (plants, animals, fungi, bacteria, etc.)

Tags

NGSS.MS-LS2-5

What are limiting factors?

• Limiting factors are factors that limit the size of a population.

• Limiting factors are factors that increase the size of a population.

• Limiting factors are factors that destroy a population.

• Limiting factors are always good

Tags

NGSS.MS-LS2-4

What is the difference between density dependent limiting factors and density independent limiting factors?

• Density dependent limiting factors include things like food, water, space, competition, and disease

• Density independent limiting factors include food, water, space, competition, and disease

• Density dependent limiting factors include hurricanes, fires, droughts, and other natural disasters

• Density independent limiting factors include hurricanes, fires, droughts, and other natural disasters

What happens if one species population decreases in size?

• The trophic level that uses them as a food source will decrease because they will have less food

• The trophic level they eat will increase because there will be less of them eating them

• The trophic level they eat will decrease because there will be less of them eating them

• The trophic level that uses them as a food source will increase because they will have less food

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What affect do nonnative species have on an ecosystem?

• Nonnative species decrease competition for resources such as food and space.

• Nonnative species have no effect on an ecosystem

• Nonnative species increase competition for resources such as food and space.

• Nonnative species have no natural predators and thus, will be able to out-compete other species without they themselves being killed by predators.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What happens if two species compete for the same food supply and one of the populations grows?

• The other population decreases in size

• The other population may become extinct

• The other population will also grow in size

• The other population may become extanct

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What factors cause fluctuations in population size?

• Birth rate

• Death rate

• immigration

• Emigration

Tags

NGSS.MS-LS2-4

What factors increase population size

• Birth rate

• Death rate

• immigration

• Emigration

Tags

NGSS.MS-LS2-4

If populations are given all the resources needed to survive what type of growth will take place?

• linear growth

• logistic growth

• exponential growth

• sigmoidal growth

Tags

NGSS.MS-LS2-1

What type of growth curve is "B"

• exponential growth

• logistic growth

Tags

NGSS.HS-LS2-1