Foundations
Ecosystems
Pollution
Elements
Environme
nt
100

1970.

When did humans reach unsustainability on Earth?

100

The study of the relationships between living organisms and their environment.

What is ecology?

100

Animals that have a large impact on their ecosystem relative to their abundance.

What are keystone species?
100

Phosphorus, Nitrogen, Carbon, Hydrogen, Oxygen, Sulfur.

What are the 6 most important elements of life?
100

It means there are many species

What does diversity mean?

200

It doesn't change the chemical structure.

What is a physical property?

200

The Haber-Bosch Process.

What produces nitrogen industrially?
200

The process of breaking N2 into a different nitrogen-bearing molecule.

What is nitrogen fixation?

200

Substances that cannot be composed be decomposed further into simpler substances.

What is an element?

200

Trophic levels

What are the categories that classify organisms in an ecosystem based on their feeding behavior?

300

It changes the chemical structure.

What is a chemical property?

300

The physical and chemical components of the environment.

What are abiotic forces?

300

When soil bacteria are converted to nitrates that plants can use.

What is Nitrification?

300

Phosphorus

What cycle doesn't include any air components?

300

90%

How much energy is lost when you move up the trophic levels?

400

Observation.

What does the scientific method start with?

400

The living components of the environment.

What are biotic forces?

400

Ozone

What is not connected to climate change?

400

Carbon

What is the most important element of life?

400

The conversion of sugar to carbon dioxide.

What is cellular respiration?

500

Control group.

What group is not exposed to the experimental factor that the experimental group is?

500

Nitrates and nitrites go into the bacteria in the soil, then are released into the air.

What is dentrification?

500

VOCS

What can lead to air pollution and/or respiratory issues?

500

two small Hydrogens go down to an Oxygen

What is the water molecule model?

500

The conversion of carbon atoms in carbon dioxide to sugar.

What is photosynthesis?