Ecology and Evolution

A fire destroys a forest. Overtime, small mosses and plants bloom overtime. This would be an example of

• primary succession

• climax community

• secondary succession

• biodiversity

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Which statement best describes the role of photosynthesis and respiration in the carbon cycle?

• Respiration and photosynthesis both add carbon to the atmosphere

• Respiration and photosynthesis both remove carbon from the atmosphere

• Respiration adds carbon to the atmosphere, while photosynthesis removes it

• Photosynthesis adds carbon to the atmosphere, while respiration removes it.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Coyotes cross the winter pack ice and enter Newfoundland. The moose population starts to decline.

• Density-Dependent: Competition

• Density-Independent: Competition

• Density-Dependent: Predator-Prey

• Density-Independent: Predator-Prey

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

The process in which organisms with traits well suited to an environment are more likely to survive and to produce offspring is

• Natural Selection

• Origin of Species

• Genetic Principles

• Trait Mechanism

Tags

NGSS.MS-LS4-4

The trees these moths used to live on were white, but have been covered in soot from coal factories. Which moth will be more successful in this environment?

• Dark moth

• Light moth

• Both will be equally successful

• Neither will be successful

Tags

NGSS.MS-LS4-4

The hypothesis that evolution of a species occurs gradually over time as a slow and constant process is known as

• speciation

• punctuated equilibrium

• gradualism

• microevolution

Tags

NGSS.MS-LS4-1

Analyze the seashell found in the white layer. Which statement is true of the rock layer that contains this fossil?

• It could also contain a fossil from the bottom layer.

• It is older than the layers below it.

• It is younger than the layers above it.

• It is older than the layers above it.

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

What would NOT be an example of a density dependent factor?

• Predation

• Parasitism

• The average rainfall of a region

• Communicable Disease

Tags

NGSS.MS-LS2-4

Which process returns nitrogen to the air?

• Nitrification

• Nitrogen-Fixation

• Assimilation

• Denitrification

Tags

NGSS.MS-LS2-3

Primary succession could potentially start where?

• In a forest that has their trees cut down

• In a desert that caught on fire

• In the mountains after a flood

• In a plain field melted into rock after a volcanic explosion

Tags

NGSS.MS-LS2-3