Carbon Cycle
Water Cycle
Nitrogen Cycle
Phosphorous Cycle
Food Web
100

In what cycle is photosynthesis by plants and algae the primary way that carbon is removed from the atmosphere?

What is the carbon cycle?

100
This cycle is the continuous movement of water, is driven by the energy from the sun, couldn't happen without the force of gravity 

What is the water cycle?

100

Nitrogen is an element needed to build proteins of 

the dirt, living things, only humans, or air 

What is all living things?

100

Brings phosphorus into our waterways.

Precipitation, fertilizer runoff, transpiration, or condensation

What is fertilizer runoff?

100

This predator is the consumer at the top of the food chain. 

What is apex?
200

During respiration oxygen is consumed and what is released?

nitrogen, carbon dioxide, oxygen, or waste

What is carbon dioxide?

200

When a plant releases water vapor into the air

condensation, evaporation, precipitation, or transpiration

What is transpiration?

200

Nitrogen makes up how much of the atmosphere?

100%, 25%, 38%, or 78%

What is 78%?

200

Decomposers return phosphorus into the soil in what cycle?

What is the phosphorus cycle?

200

Producers such as grass release what gas into the atmosphere


What is oxygen?

300

Which two organism released carbon from waste and dead organisms back into the environment? 

fungi, bacteria, horses

What is fungi and bacteria?

300

Maintaining this is important to keep an ecosystem healthy.

water levels, biodiversity, oxygen levels, or geodiversity

What is biodiversity?

300

The process is how plants get nitrogen and absorbs it from soil into roots

fixation, nitrification, assimilation, or bacteria

What is assimilation?

300

Most mined phosphorus is used to make

rock, salt, fertilizer, or food

What is fertilizer?

300

Animals and humans release what gas into the atmosphere


What is carbon dioxide?

400

How is energy released from food in most animals?

What is respiration?

400

What would happen if the Sun is removed from the water cycle? 

The water cycle would not exist due to:

no precipitation, no evaporation & transpiration, or no formation of clouds

What is no evaporation & transpiration?

400

Some species are more important to an ecosystem than others. The are called what kind of species?

extinct, endangered, keystone, or apex

What is keystone?

400

Phosphorous is needed in organisms for the production of all these EXCEPT...

ATP, Cell Membranes, DNA, Oxygen sources

What is Oxygen sources?

400

The flathead catfish is an invasive predatory species fish. What would be the effect of the introduction of the flathead catfish on the native fish in the rivers of the United States?

What is population decrease?

500

The trees absorb what type of gas from the atmosphere in order to generate oxygen gas?

What is carbon dioxide? 

500

Plants use water, carbon dioxide, and what else to make food?

oxygen, light, or soil

What is light?

500

This is not a process of the nitrogen cycle:

nitrogen fixation, nitrification, assimilation, or bacteria

What is bacteria?

500

Too much phosphorus in waterways (rivers, lakes, etc...) can lead to...

Massive algal blooms, erosion, decomposition, or diseases

What is massive algal blooms?

500

What is the name of the organisms that break down dead matter in an ecosystem?

What is decomposers?