Ecology Test II

What does the term "Population" refer to in the context of ecosystems?

• A group of different species living in an area

• All members of the same species in an area

• The total number of living organisms in an area

• A collection of ecosystems

Tags

NGSS.MS-LS4-4

Which type of relationship benefits both species involved?

• Commensalism

• Parasitism

• Symbiosis

• Mutualism

What role do decomposers play in an ecosystem?

• They produce their own food by photosynthesis

• They obtain their food from other living things

• They break down dead organisms for energy

• They help in pollination

Tags

NGSS.MS-LS2-3

What is a niche in an ecological context?

• A type of mutual relationship

• The role a living thing plays in nature and how it survives

• A competition for resources

• A hierarchical structure in animal societies

Tags

NGSS.MS-LS2-2

Which term describes a scenario where one species benefits and the other is not affected?

• Mutualism

• Parasitism

• Commensalism

• Symbiosis

What process in the water cycle involves water vapor cooling and changing into liquid form, commonly forming clouds?

• Evaporation

• Condensation

• Precipitation

• Accumulation

Tags

NGSS.MS-ESS2-4

Which stage of the water cycle is represented by water moving from plants to the atmosphere?

• Transpiration

• Evaporation

• Sublimation

• Condensation

Tags

NGSS.MS-ESS2-4

In the carbon cycle, what process is primarily responsible for the release of CO2 into the atmosphere by animals?

• Photosynthesis

• Combustion

• Respiration

• Fossil fuel decay

Which component of the carbon cycle involves the absorption of CO2 by oceans?

• Ocean uptake

• Plant respiration

• Photosynthesis

• Combustion

Tags

NGSS.HS-ESS2-6

What is the role of bacteria in the nitrogen cycle as shown in the diagram?

• Bacteria release nitrogen into the atmosphere.

• Bacteria consume nitrogen from animal proteins.

• Bacteria "fix" nitrogen for use by plants.

• Bacteria convert nitrogen into water vapor.