2 Ecology

Herbivores are which of the following

• producers

• primary consumers

• secondary consumers

• decomposers

Which of the following is an example of a biotic factor?

• sunlight

• soil

• deer

• river

A group of gray wolves living in Minnesota is an example of

• population

• community

• biome

• ecosystem

Which of the following best describes an ecosystem?

• all of the different species living in a given area

• all of the members of a single species living in a given area

• all of the biotic and abiotic factors in a given area

• all of the non-living factors that characterize a given area

What is the correct order of the ecological levels of organization, from smallest to largest?

• organism, community, population, ecosystem, biome

• organism, population, community, ecosystem, biome

• organism, biome, community, population, ecosystem

• biome, organism, population, community, ecosystem

Phototrophs get their energy from the

• water

• sunlight

• decaying matter

• producers

Tags

NGSS.MS-LS1-6

A hawk and fox fighting for the same resource is an example of a 

• symbiotic relationship

• predatory relationship

• competitive relationship

What factors contribute to an increase in population size? (check all that apply)

• Death, Immigration

• Death, Migration

• Birth, Immigration

A population of organism grows

• with no natural restrictions except the availability of food

• when the birth rate exceeds the death rate

• only in the absence of predators

• all of the above

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS1-5

As a population reaches its carrying capacity, there is an increase in population for

• food

• shelter

• water

• all of the above

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1