CFE Review

Which statement below best describes how the changes in plants due to ecological succession can impact an ecosystem?

• Ecological succession can cause biological evolution to occur in the ecosystem.

• Ecological succession can cause abiotic and biotic factors to use selective breeding.

• Ecological succession can increase genetic engineering on the plants in the ecosystem.

• Ecological succession can have profound effects on the biodiversity of the ecosystem.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

When a caterpillar consumes a leaf such as in the food chain below, what percent of the leaf’s energy is lost to the environment?

• 10%

• 50%

• 75%

• 90%

Tags

NGSS.MS-LS2-3

Which area of this energy pyramid will have the least amount of energy available for use by the organisms in that trophic level?

• A

• B

• C

• D

Tags

NGSS.MS-LS2-3

Which of the following does the law of superposition tell scientists?

• Absolute age

• Relative age

• Exact age

• All of the answer choices

Tags

NGSS.MS-ESS1-4

What is a fossil?

• Foot prints, burrows, or other impressions made by animals that give use clues to how they lived.

• When things die and their remains are buried.

• The preserved remains of an organism.

• The age determined by the things around it.

Tags

NGSS.MS-LS4-1

What are trace fossils?

• Foot prints, burrows, or other impressions made by animals that give use clues to how they lived.

• When things die and their remains are buried.

• The preserved remains of an organism.

• The age determined by the things around it.

Tags

NGSS.MS-LS4-1

What is the relative age of a rock?

• The age determined by the things around it.

• The age of an igneous rock.

• The age determined by radioactive dating.

• The time it takes for 1/2 of the radioactive atoms to decay in an element.

Tags

NGSS.MS-ESS1-4

What is the absolute age of a rock?

• The age determined by the things around it.

• The age of an igneous rock.

• The age determined by radioactive dating.

• The time it takes for 1/2 of the radioactive atoms to decay in an element.

Tags

NGSS.HS-PS1-8

How have the rocks been disturbed?

• tilting

• folding

• faulting

• igneous intrusion

Tags

NGSS.MS-ESS1-4

How have the rocks been disturbed?

• tilting

• folding

• faulting

• igneous intrusion

Tags

NGSS.MS-ESS1-4