EKim Science7 Unit1.1 Ecosystems SG

Select the term that best completes the statement. A(n) __________ is made up of both living things and the physical environment.

• ecosystem

• ecology

• biotic

• abiotic

Select the term that best completes the statement. __________ is the study of how living things interact with each other and their environment.

• ecology

• biotic

• ecosystem

• organisms

Tags

NGSS.MS-LS2-2

Living things in an ecosystem are __________ factors.

• biotic

• abiotic

• organisms

• ecosystem

Select the term that best completes the statement. Nonliving things in an ecosystem are __________ factors.

• abiotic

• biotic

• ecology

• organisms

Tags

NGSS.MS-LS2-3

One reason plant life changes as you hike up a mountain is because of the change in __________.

• temperature

• soil

• light

• water

Tags

NGSS.MS-LS1-5

Select the term that best completes the statement. Below 100 meters in the open ocean, there is not enough __________ for plantlike organisms to meet their needs.

• light

• water

• nutrients

• carbon dioxide

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

Select the term that best completes the statement. __________ is a complex mixture containing rock particles and organic matter.

• soil

• ecosystem

• biotic

• abiotic

Select the term that best completes the statement. The more __________ a land ecosystem has, the greater the diversity of life it has.

• abiotic

• biotic

• ecosystem

• organisms

Tags

NGSS.MS-LS2-5

Forest ecosystem: select one biotic factor and one abiotic factor and a short sentence on how each affects the ecosystem.

• Trees and sunlight – trees provide habitat while sunlight enables photosynthesis.

• Rabbits and soil – rabbits consume plants, soil provides nutrients.

• Birds and water – birds pollinate, water supports life.

• Insects and temperature – insects decompose materials, temperature regulates activity.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-1

Is wind a biotic or abiotic factor?

• biotic

• abiotic

Tags

NGSS.MS-ESS2-5