44. Ecology Review

Salt concentration, water temperature, and the whale shark might all be used in a description of an ocean

• climate

• food web

• ecosystem

• population

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-3

An ocean, a forest, and a grassy meadow are each examples of a complete ecosystem. Complete ecosystems contain only

• animals

• rocks and water

• living and nonliving things

• populations of plants and animals

Tags

NGSS.MS-LS2-3

Which represents a community?

• all the Paramecium candatum in a pond

• the abiotic factors in Lake Michigan

• all the interacting populations in a forest

• the concentration of minerals in the soil

Tags

NGSS.MS-LS2-2

Members of a species in a defined area

• Ecosystem
• community
• biodiversity
• population

Temperature, light, air, water, and soil are all  _____  parts of the environment

• alive
• biotic 
• abiotic
• living

Tags

NGSS.MS-LS2-3

A living or once-living organisms in an ecosystem is a

• population
• biotic factor
• abiotic factor
• community

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Choose the correct levels of Organization from lowest to highest...

• population, community, ecosystem, organism

• organism, population, community, ecosystem

• organism, population, ecosystem, community

Populations consist of

• a single species

• multiple species

• the biotic and abiotic factors of an environment

• a grouping of ecosystems

Tags

NGSS.MS-LS2-1

Which relationship is mutualistic?

• an insect that lives and feeds on the body of an alligator

• an ant that lives on a plant and defends the plant from other insects

• a bird that migrates to follow the movements of the butterflies that it eats

• a deer that eats one kind of plant, which allows another kind of plant to grow in its place.

Tags

NGSS.MS-LS2-2

In a desert environment, cactus wrens often build their nests in cholla cacti to avoid predators. This behavior does not hurt the cacti. Which type of relationship do cactus wrens and cholla cacti demonstrate?

• competition

• commensalism

• mutualism

• parasitism