My Community Ecology Quiz 1

A highly disruptive event in an ecosystem that leads to a sharp decline in populations and a decrease in genetic diversity is...

• Bottleneck event

• Primary Succession

• Secondary Succession

• Population Overshoot

Tags

NGSS.HS-LS4-5

Which of the following is a category of ecosystem services? Select all that apply.

• Cultural services

• Food/material services

• Recreational services

• Pollination services

Tags

NGSS.MS-LS2-5

Which of the following is a variable in calculating biodiversity? Select all that apply.

• Species richness

• Species size

• Species evenness

• Trophic level diversity

Tags

NGSS.MS-LS2-5

Which of the following would be an example of primary succession?

• Glacial retreat

• Fire

• Clearcutting

• Abandoning agricultural fields

Which of the following is a consequence of habitat fragmentation?

• Increased carbon dioxide

• Decreased survivability of specialists

• Decreased organism size

• Increased species richness

Tags

NGSS.MS-LS2-5

NGSS.MS-LS2-4

Which of the following is true of biodiversity?

• Highly biodiverse populations are better at surviving environmental stress

• Populations that have higher numbers are always more biodiverse

• More biodiversity always means higher biodiversity

• Highly biodiverse populations typically live in ecosystems that also display high diversity

Tags

NGSS.MS-LS2-5

The first species to colonize an area after a disaster event is...

• Pioneer species

• Invasive species

• Keystone species

• Indicator species

What is a major difference between primary and secondary succession?

• Primary succession takes less time than secondary succession

• Primary succession happens when there is no soil while secondary succession has soil left behind

• Primary succession affects plant species while secondary succession affects animal species

• Primary succession affects results in old-growth forests while secondary succession does not

Which of the following could break down bare rock into soil? Select all that apply.

• Moss

• Lichen

• Grasses

• Trees

Tags

NGSS.MS-ESS2-2

Exponential growth is indicative of...

• r-selection only

• K-selection only

• The biotic potential of an organism

• The carrying capacity of an organism