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Exam Ecology 1

Authored by Thin Lizzy

Science

9th - 12th Grade

NGSS covered

Used 8+ times

Exam Ecology 1
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16 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Each winter in the Appalachian mountains, some of the salt applied to roadways gets washed into lakes or streams.

The increase in salt levels in areas where frogs breed has resulted in more male frogs hatching than females.

This is an example of:

asexual reproduction in frogs

an abiotic factor affecting gene expression

the normal expression of a gene for female frogs

loss of genetic information for male frogs

Tags

NGSS.MS-LS2-4

NGSS.MS-LS1-5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Maintaining stability in an ecosystem most likely depends on:

High level of diversity and few resources

little diversity and rapid ecological succession

a high level of diversity and multiple ecological niches

little diversity and multiple extinctions

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The element Carbon and its compounds are constantly cycled between living and nonliving parts of the ecosystem.

The cycling is important because:

without carbon dioxide in the atmosphere,

the ozone shield would break down completely

carbon is a component of DNA, proteins, and other compounds essential for living organisms

the process of photosynthesis releases carbon dioxide into the atmosphere, where it can be taken in by animals for the process of respiration

carbon is required by humans to make all of the same proteins that all other mammals synthesize

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which statement most accurately describes the expected effect on carrying capacity of a population if a change in a factor occurs?

The number of snowshoe hares would increase if the population of Canadian lynx, a predator also increased

The population of green algae would increase if chemical weed killers used on lawns entered the lake

The population of deer in Virginia would decrease if they overgrazed the plants

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Forest ecosystems help regulate climate, prevent soil erosion, and play a role in the cycling of water.

Since the 18th century, humans have cleared nearly half of the Earth's forest.

Which statement best describes the effects of this deforestation?

It effects only the species of animals that live there

It disrupts many natural processes that humans depend on

It increases plant diversity in nearby ecosystems

It increases human reliance on renewable resources

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

NGSS.MS-ESS3-4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Powassan is a rare, tick borne virus that is found in areas near the Great Lakes and the Northeastern United States.

The tick is not affected by the virus, but humans bitten by a tick carrying the virus will develop a serious illness.

The risk of getting the Powassan virus is greatest in June and July.

This information supports the concept that:

all viruses around the Great lakes are spread by infected ticks

this virus is harmful to all living organisms that it infects

relationships between organisms may have negative, neutral, or positive effects

time of year alone, determines if infection with the Powassan virus is possible

Tags

NGSS.MS-LS2-2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which statement best describes what would most likely happen if some of the owls from location B moved to location A?

The mountain lion population in location B will move to location A

The deer population in location A will decrease due to lack of resources

The hawk population in location A will decrease due to competition for food

The owl population in location B will increase due to a decrease in genetic variation

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS2-2

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