Agriculture Review

Which of the following BEST illustrates a tragedy of the commons?

• The Gulf of Mexico has an area known as the "Dead Zone" due to the lack of oxygen in the water. The low oxygen was caused by fertilizer runoff.

• A pond on a privately owned farm is regularly fished by the family that owns it. Every year, they buy more fish to restock the pond.

• A couple decides to have a large family. Every new child puts more stress on the family budget as the food, space, and other resources are divided amongst all members of the family.

• A large city decides to impose fines for parking violations. As a result, more people use public transportation and traffic congestion is reduced.

Tags

NGSS.MS-ESS3-4

The graph shows a significant decline in the Atlantic Cod stock. The cod were not owned by any processing company, and the government did not impose strict quotas on the cod. As a result, fisherman raced against each other to harvest as much cod as they could.

This is an example of...

• Maximum Yield

• Positive Feedback Loop

• Decreased Biodiversity

• Tragedy of the Commons

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following soil texture contains 20% clay, 60% silt, and 20% sand?

• Silt Loam

• Sandy Loam

• Sandy Clay

• Loam

Which of the following sediments are MOST permeable?

• Silt

• Sand

• Clay

Which of the following sediments are LEAST permeable?

• Silt

• Sand

• Clay

A soil sample is composed of 45% clay and 20% sand. What percentage of the soil sample is silt?

(a)  

Which soil horizon most likely has the highest concentration of organic material?

• O Horizon

• A Horizon

• B Horizon

• C Horizon

Which of the following is a likely consequence of the irrigation of agricultural land over time?

• Depletion of aquifers in the area

• Depletion of seas in the area

• Increase in salinization of the soil

• Decrease in salinization of the soil

Tags

NGSS.MS-ESS3-4

NGSS.MS-ESS2-4

The build up of salt in the soil (leading to a loss in crop productivity) is called...

• irrigation

• desertification

• salinization

• nitrification

Tags

NGSS.MS-LS1-5

The most common cause of the salinization of agricultural soil is...

• over harvesting of crops

• over irrigation

• lack of fertilization

• no till agriculture