Earth's Systems
This sphere includes all living things.
What is the biosphere?
Living things in an ecosystem are called these factors.
What are biotic factors?
The process where liquid water becomes water vapor.
What is evaporation?
Plants take in this gas during photosynthesis.
What is carbon dioxide?
Organisms that make their own food.
What are producers?
This sphere contains all of Earth's water.
What is the hydrosphere?
Nonliving things like sunlight and water are called these factors.
What are abiotic factors?
Water vapor cooling and becoming liquid water.
What is condensation?
This process changes atmospheric nitrogen into a form plants can use.
What is nitrogen fixation?
Organisms that eat other organisms.
What are consumers?
This sphere contains rocks, soil, and landforms.
What is the geosphere?
A tick feeding on a dog is an example of this relationship.
What is parasitism?
Water falling from clouds.
What is precipitation?
Most phosphorus is stored here.
What are rocks and sediments?
A series of organisms showing one path of energy flow.
What is a food chain?
This sphere is made up of gases surrounding Earth.
What is the atmosphere?
A bee getting nectar while pollinating a flower is this relationship.
What is mutualism?
Water soaking into the ground.
What is infiltration?
This process releases carbon dioxide back into the atmosphere.
What is respiration?
Several connected food chains form this.
What is a food web?
Name all four Earth spheres.
What are the biosphere, hydrosphere, geosphere, and atmosphere?
An organism that hunts another organism for food.
What is a predator?
Plants releasing water vapor into the atmosphere.
What is transpiration?
This cycle has little to no atmospheric component.
What is the phosphorus cycle?
According to the 10% Rule, if producers have 1,000 units of energy, this amount reaches the next level.
What is 100 units?