Ecological Disturbances

Match the description with the type of ecological disruption.

Groups:

(a) Long term

,

(b) Short term

• ecosystems not changed permantly

• ecosystems changed permantly

• organisms don't have time to adapt

• happen slowly

• happen quickly

• organisms have time to adapt

Tags

NGSS.MS-ESS3-4

The first step in the process of eutrophication involves ​ (a)   . In the second step ​ (b)   . The third step involves the depletion of ​ ​ (c)   . In the final step the water becomes a ​ (d)   .

• nutrient pollution

• agal blooms appear

• oxygen

• dead zone

• nitrogen

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Match the description with the correct succession process: "relatively faster process".

• Primary Succession

• Secondary Succession

• Both Successions

• Not applicable

Which succession process occurs due to natural disaster?

• Primary Succession

• Secondary Succession

• Both Successions

• Not applicable

The primary nutrients responsible for eutrophication are

• Magnesium and nitrogen

• Calcium and magnesium

• Phosphorus and potassium

• Phosphorus and nitrogen

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What is the main cause of oxygen depletion in the process of eutrophication?

• Minerals in sediment displace water leading to less dissolved oxygen.

• Bacteria use up the oxygen during respiration as they decompose dead plant and algae matter.

• In a body of water undergoing eutrophication, fish require more oxygen.

• Algae blooms use oxygen during the process of photosynthesis.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Choose the phrases that make the following sentence true. Algae blooms can...

• Clog fish gills.

• Protect fish.

• Reduce the ability of fish to find food.

• Cause populations to leave an area (migrate).

• Be toxic.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Warming water can trigger a chain reaction of events that affects all ​ (a)   of an ​ (b)  

• levels

• ecosystem

• populations

• abiotics

• abiotic factors

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

A positive ecological disruption caused by an earthquake can include _______; a positive disruption caused by a wildfire can include _______; and a positive disruption caused by flooding can include _______.

• Clearing out diseased or weakened trees and overgrown vegetation; Depositing nutrient-rich sediments into the soil; Making mineral resources available

• Making mineral resources available; Clearing out diseased or weakened trees and overgrown vegetation; Depositing nutrient-rich sediments into the soil

• Depositing nutrient-rich sediments into the soil; Making mineral resources available; Clearing out diseased or weakened trees and overgrown vegetation

• Clearing out diseased or weakened trees and overgrown vegetation; Making mineral resources available; Depositing nutrient-rich sediments into the soil

Tags

NGSS.MS-ESS2-2

Which of the following are “symptoms” of climate change? Select all that apply.

• Warmer oceans

• Melting glaciers

• Less droughts

• Lower sea levels

• Higher global temperatures

Tags

NGSS.MS-ESS3-5