Ess Topic 8

A threshold beyond which an ecosystem experiences rapid, often irreversible changes. (2.1.22)

Tags

NGSS.HS-LS2-6

NGSS.HS-LS4-5

A method for estimating population size using capture-mark-recapture data. (2.1.17)

• random sampling

• Lincoln index

• dichotomous key

• DNA survey

Any resource or condition that restricts the growth, abundance, or distribution of an organism or population. (2.1.13)

• abiotic factor

• realized niche

• biotic factor

• limiting factor

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

A graph depicting population growth that slows and levels off as it approaches carrying capacity

• S-curve

• J-curve

Erosion is a process where

• organic matter is broken down into smaller parts, usually by living organisms

• rock is broken down into soil and small grains

• soluble nutrients and minerals are drained from soil through water action

• soil/rock is moved from one surface to another by wind/water/glaciers

Tags

NGSS.MS-ESS2-2

In which horizon is most of the HUMUS?

• Horizon A

• Horizon B

• Horizon C

• Horizon D or R

soil storages include (select all that apply)

• leaching

• water

• nutrients

• air

• organisms

Weathering is a process where

• organic matter is broken down into smaller parts, usually by living organisms

• rock is broken down into soil and small grains

• soluble nutrients and minerals are drained from soil through water action

• soil/rock is moved from one surface to another by wind/water/glaciers

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-2

Leaching is a process where

• organic matter is broken down into smaller parts, usually by living organisms

• rock is broken down into soil and small grains

• soluble nutrients and minerals are drained from soil through water action

• soil/rock is moved from one surface to another by wind/water/glaciers

Tags

NGSS.MS-ESS2-4

In which answer choice are the soil particles arranged in order from LARGEST to SMALLEST?

• Silt, sand, clay

• Silt, clay, sand

• Clay, silt, sand

• Sand, silt, clay