Biodiversity
Soil & Agriculture
Water
Air
Climate
100

What is biodiversity loss?

Biodiversity loss is the number of different species in one area and the quantity of each of these species, being lost because of human actions.

100

What two climate factors affect soil structure?

Temperature and precipitation

100

True or false: the water on Earth today is the same water the dinosaurs drank

True

100

The two most abundant gases in the atmosphere.

Nitrogen and Oxygen

100

What gasses trap the sun's heat?

Greenhouse Gasses

200

Define Ecosystem

An ecosystem is a biological community of interacting organisms and their physical environment.

200

What is the first layer of soil called?

Topsoil

200

Water vapor cooling down and coming together to form water droplets is this process.

What is condensation?

200

This required the EPA to set up air quality standards

The Clean Air Act of 1990

200

What is the greenhouse effect?

Certain gasses in the atmosphere trap heat and warm the Earth

300

What is overexploitation?

The overuse of wildlife and plant species by people for food, clothing, pets, medicine, sport and many other purposes. The hunting, trapping, collecting and fishing of wildlife at unsustainable levels is overexploitation.

300

Process in which nutrients accumulate in a body of water, resulting in an increased growth of algae and loss of oxygen resulting in fish and other organisms dying

What is eutrophication?

300

Contained and uncontained are two types of what?

Aquifers 
300

Most pollution comes from this.

Burning Fossil Fuels

300

A change in global or regional climate patterns

What is climate change

400
Define Deforestation

Cutting down large areas of forests.

400

What are the three most important nutrients for fertile soil?

Nitrogen (N), Phosphorous (P), and Potassium (K)

400

This is the process when PLANTS give off water vapor into the air.

What is Transpiration

400

Interaction of sunlight and pollutants create this.

What is photochemical smog?

400

Fossil fuels are a renewable resource.

True or Falsle

False

500

The process known as change over time, by which modern organisms have descended from ancient organisms.

What is Evolution

500

What is nitrogen fixation?

Process of converting atmospheric N and making nitrogen accessible to living organisms, mainly plants

500

What is BOD?

Biological Oxygen Demand - the amount of dissolved oxygen that must be present in water in order for microorganisms to decompose the organic matter in the water, used as a measure of the degree of pollution. 

500

From space to Earth, the main layers of the atmosphere are these.

What is thermosphere, mesosphere, stratosphere, and troposphere?

500

Explain effects of ozone layer depletion

Increases ultraviolet radiation reaching Earth and causes health and environmental impacts.