LEAP Ch. 10-12 Test

Sandbags and nylon fencing are placed around construction areas to

• increase soil erosion

• decrease soil erosion

• improve the appearance of the construction site

• increase soil formation

Why do farmers leave strands of tall trees around their field?

• They decrease the nutrients lost from the soil

• They increase water absorption into the ground

• They stop wind erosion

• They keep water from being absorbed into the ground

What are some ways human technology has impacted agriculture?

• use of genetically engineered plants and soil terracing

• use of solar, wind, and wave technologies

• use of siltation ponds, sand bags, and nylon fencing

• advancements in plastics, metal works, and computers to make cars cheaper

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS1-5

NGSS.MS-LS2-5

What is not a prediction for global warming?

• sea levels will rise

• temperatures will cool and create a mini ice age

• weathering and erosion will increase

Tags

NGSS.HS-ESS2-4

NGSS.HS-ESS3-5

When humans burn fossil fuels, most of the carbon quickly enters the                       as carbon dioxide.

• Water
• Atmosphere
• Sun
• Air

Where you will find the ozone layer.

• stratosphere
• thermosphere
• exosphere
• mesosphere

What are some things that can limit a population?

• nutrients

• space

• disease

• all of the above

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What populations change faster

• populations that reproduce slowly

• populations in a bottleneck

• populations that reproduce quickly

• smaller organisms

Tags

NGSS.HS-LS4-4

NGSS.HS-LS4-5

Biologists wanting to save the Louisiana black bear when it was an endangered species studied the

• carrying capacity where the bears lived

• number of farms where the bears lived

• size of the bears snouts

• interaction of bears and owls

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What is an important density-dependent limiting factor for humans?

• housing

• education

• disease

• natural disasters

Tags

NGSS.MS-LS2-1