Ecology and Population Review

What is the ultimate source of energy for most of Earth's ecosystems?

• Plants

• Herbivores

• Decomposers

• Carnivores

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the MAXIMUM number of trophic levels that can be found in an ecosystem?

• 3

• 4

• 5

• 6

Tags

NGSS.HS-LS2-3

NGSS.HS-LS2-4

What is true about energy transfer in communities?

• It moves from consumer to producer.

• Most of the energy in a trophic level transfers to one above it.

• Most of the energy in a trophic level is lost as heat.

• It is 100 percent efficient.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

About how much energy in one trophic level transfers to the trophic level above it?

• 50 percent

• 25 percent

• 10 percent

• 5 percent

Tags

NGSS.MS-LS2-3

In the food web, what does the arrow signify?

• Producer

• Primary consumer

• Energy flow

• Decomposer

Tags

NGSS.MS-LS2-3

What is the difference between an organism's habitat and its niche?

• Niche is the place where an organism lives, while habitat is the role or function of an organism within an ecosystem.

• Habitat and niche are the same thing.

• Habitat and niche are unrelated to an organism's environment.

• Habitat is the place where an organism lives, while niche is the role or function of an organism within an ecosystem.

Compare and contrast predation and parasitism.

• Predation involves one organism feeding on another, while parasitism involves a symbiotic relationship where one organism benefits at the expense of the other.

• Predation and parasitism are the same thing.

• Predation involves a symbiotic relationship where both organisms benefit, while parasitism involves one organism feeding on another.

• Predation involves a mutualistic relationship, while parasitism involves a commensal relationship.

List three density-independent factors.

• Climate change, disease, predation

• Climate change, flood, disease

• Flood, disease, predation

• Climate change, flood, predation

Tags

NGSS.MS-ESS3-2

What is the approximate carrying capacity of the given graph?

• 350

• 325

• 210

• 150

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Interpret Graphs: Describe the annual trend in turkey vulture sightings along the survey route.

• The sightings increase in the early months and decrease in the late months.

• The sightings decrease in the early months and increase in the late months.

• The sightings are unpredictable and do not follow a trend.

• The sightings remain constant throughout the year.

Tags

NGSS.MS-LS2-1