Food Webs
Elements
Energy
Ecosystems
Biogeochemical Cycles
100

Another word for "compartments"

state variables
100

Anything that takes up space and has mass is defined as ______

Matter

100

The energy possessed by moving objects is _____ energy. 

kinetic

100

What is a population?

Members of the SAME species living together at the SAME time and SAME place

100

The water cycle mainly relies on the ____.

Sun

200

Car engines are an example of ____ systems

Open

200

What 3 states does matter exist in?

Solid, liquid, gas

200

What do nearly all organisms rely on for energy?

The sun!

200

An ecosystem consists of both ____ and ____ factors.

Biotic (living) and abiotic (non-living)

200

The process by which plants take in carbon dioxide and release it into the atmosphere as oxygen.

Photosynthesis

300

What term describes the flow of energy and matter into, through, and out of a system?

throughput

300

Matter cannot be ____ nor _____

Created nor destroyed

300

Photosynthesis converts _____ energy to chemical energy.

solar

300

What are the recyclers in an ecoystem?

Scavenger, parasites, and decomposers

300

Name a human activity that influences the carbon cycle (the amount of carbon in the atmosphere).

Deforestation; burning of fossil fuels 

400

When the inputs of a system equal the output of a system, the system has reached _______

equilibrium

400

Matter _____ through a system, whereas energy flows through a system.

Recycles

400

Another word for disorder or randomness of energy

Entropy

400

A ____ level is an organism's feeding status in an ecosystem.

trophic

400

____ refers to the excess growth of algae, which is due to an excess of nutrients.

Eutrophication

500

A process in which the output of a system affects the system itself, either increasing (positive) or decreasing (negative) an initial change

Feedback loop 

500

What quality does the number of protons + the number of neutrons determine?

Atomic mass

500
What is chemosynthesis?
A process which allows extremophiles to extract energy from inorganic compounds (instead of sunlight)
500

How much energy is transferred from one trophic level to the next?

10%

500

What 2 elements mainly contribute to eutrophication? 

Nitrogen and Phosphorus