Ecosystem Ecology

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

• decay by bacteria

• infiltration of the groundwater

• runoff

• lightning in the storm and clouds

Tags

NGSS.MS-LS2-3

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

• burning of forests

• photosynthesis

• combustion of fossil fuels

• all of these

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Cougars are predators that often eat weakened or diseased animals. this is a description of the ___ of cougars.

• habitat

• community

• niche

• none of these

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

• organism

• population

• community

• ecosystem

Tags

NGSS.MS-LS2-2

study of how living things relate to each other and their environment

• evolution

• ecology

• parasitology

• ethology

Tags

NGSS.MS-LS2-2

network of interconnected food chains

• ecosystem

• food web

• trophic levels

• biological community

Tags

NGSS.MS-LS2-3

place where an organism spends its life

• niche

• habitiat

• biolgical community

• ecosystem

Brown trout and smallmouth bass in a freshwater pond with a water temperature of 55 degrees Fahrenheit and a pH of 6.5.

• Population

• Community

• Ecosystem

Tags

NGSS.MS-LS2-1

All organisms require the element nitrogen. Identify the biological molecule that contains nitrogen.

• Amino acid

• Cellulose

• Starch

• Triglyceride

Tags

NGSS.MS-LS3-1

The process when water moves over the surface of the land and flows into a body of water such as a river.

• Infiltration

• Percolation

• Runoff

• Condensation

Tags

NGSS.MS-ESS2-4