Apes

The industrialized agriculture system shuts down without what key ingredient? 

• cheap fossil fuel energy

• genetically modified organisms

• efficient food processing plants

• The Food Quality Protection Act

Tags

NGSS.HS-ETS1-1

DDT, an insecticide, is ____________ in the environment. This means it doesn't break down/decompose. It lasts a long time.

• persistent

• synergistic

• acute

• threshold

A farmer discovers pests have become resistant the the atrazine she's been using so she must use larger, more frequent doses.  This is known as 

• the pesticide treadmill

• both an acute and a chronic effect

• a synergistic effect

• an antagonistic effect

Tags

NGSS.MS-LS2-1

Which of the following is NOT a way farmers would traditionally modify plants in the past? 

• transgenic manipulation 

• selective breeding

• saving seeds

• cross-pollinating

Which would NOT be a reason to use GM crops?

• Using GM crops can increase crop yields.

• Using GM crops can reduce use of insecticide sprays.

• Using GM crops may be able to feed more people faster.

• Using GM crops can increase pesticide resistance in pests.

Tags

NGSS.HS-ETS1-3

NGSS.HS-LS2-7

Which of these is not an example of a commons?

• The air

• The ocean

• Privately owned farms

Clearcutting is

• A timber harvesting practice where all trees larger than 20 feet tall are cut harvested.

• When logging companies plant new saplings in an area bigger than 1 hectare.

• A timber harvesting practice where all of the trees in a given area are harvested at the same time.

• When forestry services clear out the underbrush in a given area.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5

The cutting and burning of trees

• has no affect on the environment.

• releases carbon dioxide and contributes to climate change.

• is beneficial to ecosystems and animal habitats.

• reduces flooding and erosion.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5

A high traffic area is likely to have what effect on soil?

• decrease in nutrients

• increased compaction

• increased aeration

• leaching

Tags

NGSS.MS-ESS3-4

When roots become saturated with water due to over-irrigation, it causes death in plant roots. This is called:

• salinization

• desertification

• agroforestry

• waterlogging

Tags

NGSS.MS-LS1-5