LS3: Principles of Ecology

Water is lost to the abiotic parts of the biosphere from the biotic parts through the process of

• precipitation

• photosynthesis

• transpiration

• infiltration

Tags

NGSS.MS-ESS2-4

Nitrogen is released to the abiotic parts of the biosphere from the processes of death and

• decay by bacteria

• infiltration of groundwater

• runoff

• lightning in storm clouds

Tags

NGSS.MS-LS2-3

Anything that limits an organism’s ability to live in a particular environment is a _____ factor.

• biotic

• limiting

• abiotic

• natural

Tags

NGSS.MS-LS1-5

NGSS.MS-LS4-4

_____ is the process of gradual, natural change and species replacement that takes place in communities of an ecosystem over time.

• Tolerance

• Symbiosis

• Cycling

• Succession

Carbon dioxide in the atmosphere enters the biotic parts of the biosphere through _____.

• burning of forests

• photosynthesis

• combustion of fossil fuels

• all of the above

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Starfish live in saltwater ecosystems. Some species live in shallow tidal pools, while others live in the deepest parts of the oceans. This is a description of the _____ of starfish.

• habitat

• community

• niche

• population

An ecologist who studies how several species in an area interact among each other and with the abiotic parts of the environment is interested in the biological organization level called a(n) _____.

• organism

• population

• community

• ecosystem

An ecologist who studies how several species in an area interact is interested in the biological organization called a(n) _____.

• organism

• population

• community

• ecosystem

Tags

NGSS.MS-LS2-2

Consumers that eat both plants and animals are called

• omnivores

• herbivores

• carnivores

• scavengers

If a kestrel (bird) eats a mouse that eats grass, the kestrel is a

• producer

• second-level consumer

• first-level consumer

• decomposer

Tags

NGSS.MS-LS2-3