Enter Title

GMOs

100

GMO Stands for

What is Genetically Modified Organism

200

Trangenic refers to

Organisms that contain the genes from a different species.

300

Name one argument for and one argument against GMOs.

Pro: can decrease the use of pesticides, can improve crop yields Con: It is still unknown how modified genes will interact with other plants or animals. GMO seeds can be more expensive.

400

How has the introduction of GMOs lowered genetic diversity

1. Since plants can be engineered to withstand herbicides, the herbicide can be sprayed indiscriminately, which kills off local plants. 2. Plants can be bred that kill insects, lowering insect diversity.

Agriculture

100

The type of agriculture that does not allow use of synthetic pesticides or fertilizers

What is Organic

200

Planting only one type of crop in an area is called a

monoculture

300

Name two of the main themes of Integrated Pest Management.

1. Find the economic threshold at which pest control becomes necessary. 2. Work towards prevention rather than treatment. 3. Use less risky control methods first.

Soils

100

Soil porosity refers to this

What is the amount of air space in the soil

200

The main nutrients needed by plants include

Nitrogen, Phosphorus, and Potassium

300

Name the types of soil in order of grain size.

Sand, silt, loam, clay

400

Name two possible methods to prevent soil erosion

1. Terracing 2. Soil contouring 3. intercropping

Food

100

Name at least three of the main crops that the world relies on for food

What are Corn, Wheat, and Rice

200

Name two reasons that eating meat is less efficient than eating plants.

1. You are eating higher up the food chain, so less energy is available 2. You have to feed the animals, so more resources are required. 3. The animals create waste, which has to be disposed of.

300

Why are antibiotics given to animals raised in feedlots?

1. Conditions are crowded....disease spreads rapidly. 2. They are fed a grain-based diet, which is not their natural choice. 3. So more energy can be used to grow, rather than fight infections.

Aquaculture

100

The term aquaculture refers to this

What is farming/raising specific species of organisms found in the ocean.

200

Bycatch refers to _______________

Fish or other sea creatures caught unintentionally as a result of commercial fishing.

300

Why is it difficult to protect aquatic biodiversity?

This exemplifies the tragedy of the commons. After a certain zone next to countries coasts, no one owns the oceans, so they are more difficult to regulate.