Elevate Unit 9 Ecological Disturbances

In the list below, choose all the abiotic factors that might be found in an ecosystem.

• Animals

• Minerals

• Sun

• Rain

• Wind

Tags

NGSS.MS-ESS2-4

Choose all of the phrases below which correctly complete the following sentence that begins with: Ecosystem changes...

• happen continuously due to anthropogenic and natural causes.

• can be drastic or minimal.

• are usually unimportant to human life.

• can lead to increases or decreases in population sizes & distribution.

• only affect a specific population.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Finish the following sentence with one of the choices below to make it correct. “Providing materials for medicine, purifying the air and water, and recycling nutrients are all important...”

• factors that society provides each other.

• aspects in decreasing climate change.

• functions of ecosystems.

• topics in ethical debates.

Tags

NGSS.MS-LS2-3

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

Match the description with the correct succession process: "no soil initially present".

• Primary Succession

• Secondary Succession

• Both Successions

• Not applicable

Tags

NGSS.MS-ESS2-2

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

Which succession process involves pioneer species?

• Primary Succession

• Secondary Succession

• Both Successions

• Not applicable

Match the description with the type of ecological disruption.

Groups:

(a) Long term

,

(b) Short term

• happen slowly

• organisms have time to adapt

• ecosystems not changed permantly

• happen quickly

• ecosystems changed permantly

• organisms don't have time to adapt

Tags

NGSS.MS-ESS3-4

Which of the following statements is true concerning seasonal changes? Choose all that apply.

• Seasonal changes are usually short-term and don’t have a drastic effect on an ecosystem.

• Seasons don’t disrupt any real biological and chemical functions of ecosystems.

• Seasonal changes may change available resources and energy consumption in an ecosystem.

• Seasonal changes are usually long-term changes that organisms are not prepared for.

Tags

NGSS.MS-ESS2-6

NGSS.MS-LS1-5

NGSS.MS-LS2-3

NGSS.MS-LS2-4