Ecology Test Review

Which of the following best explains the length of primary and secondary succession?

• Primary succession is shorter than secondary succession because primary succession begins with soil left behind after the disaster.

• Primary succession takes longer than secondary succession because primary succession begins from scratch.

• Primary and secondary succession take the same amount of time.

• Secondary succession takes longer than primary succession because secondary succession begins with no soil left after the disaster.

Secondary succession can begin with a forest fire.  What is left behind after the fire?

• nothing

• bare rock

• a thriving ecosystem

•  soil

Tags

NGSS.MS-LS2-3

Primary succession may occur________________________.

• on an abandoned farm field

• on a lot bulldozed for a subdivision

• due to deforestation by tree farmers

• on an island formed by a volcanic eruption

The final end point of succession is called _________________.

•  staged community

• climax community   

• climatic change

• community development

In the pond ecosystem diagram shown, which organism would be most affected by biomagnification?

• Producers

• 1st level consumers

• 2nd level consumers

• 3rd level consumers

Tags

NGSS.MS-LS2-4

At each trophic level ___________% of energy is lost and ___________% of energy is transferred.

• 90, 10

• 10, 90

• 1, 9

• 9, 1

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What type of organisms could box J contain?

• herbivores

• producers

• decomposers

• carnivores

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

The graph below shows population growth of a fruit fly population over time.

The fruit fly population growth over time is an example of:

• Exponential growth

• Logistic growth

The graph below shows population growth of a fruit fly population over time.

Point  ______________ shows that the fruit fly population has reached carrying capacity.

• Point 1

• Point 2

• Point 3

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Carbon cycles through the biosphere in all of the following processes EXCEPT

• photosynthesis

• transpiration

• burning of fossil fuels

• decomposition of plants and animals

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3