Unit 10 Review - Soil and Agriculture

Volcanic eruption leads to _______________ succession.

• Primary

• Secondary

• Tertiary

• Nunya

Wildfires lead to __________ succession.

• primary

• secondary

• tertiary

• nunya

Primary succession starts on _____ ______.

• dirt

• nutrient rich soil

• bare rock

Most nutrients are added to the soil from...

• runoff

• sedimentation

• salinization

• decomposition

A quick way to check for nutrient rich soil is...

• light in color

• dark in color

• pH basic

• pH acidic

Sustainable farming will likely utilize ____________ for fertilizers.

• composting

• synthetic options

• rain water

• salt water

Which soil horizon is most important for plants?

• O

• A

• B

• C

How might pesticides enter an aquifer?

• from deep within the earth

• through porous soil once used by a farmer

• Through non porous rock once used by a farmer.

If I use ladybugs to kill aphids that are destroying my garden, what type of pesticide am I using?

• chemical

• biological

• physical

• nuclear

What is one downside of consuming food that is not grown locally?

• transport of food requires trucks, trains and boats which use fossil fuels

• food from far away will be fresher

• food from far away will create jobs in your local community

• food from far away always uses more pesticides/herbicides