Vocabulary
An organism that can make its own food.
What is a producer?
How does energy move through an ecosystem?
When one organism eats another.
The process by which molecules of liquid water absorb energy and change to a gas.
What is evaporation?
How does carbon enter a food web?
Photosynthesis
What percent of the atmosphere is nitrogen?
78%
An organism that obtains energy by feeding on other organisms.
What is a consumer?
Name three types of consumers.
Herbivores, Carnivores, and Omnivores
The process by which gas changes to a liquid.
What is condensation?
Who releases oxygen into the atmosphere?
Producers
Nitrogen in the atmosphere is (free/fixed).
Free
The process of changing free nitrogen gas into nitrogen compounds that plants can absorb and us.
What is nitrogen fixation?
How does energy enter an ecosystem?
From the sun via photosynthesis.
Rain, sleet, snow, or hail.
What is precipitation?
What are 2 ways humans impact carbon in the atmosphere?
Cutting down trees, Burning trees, Burning fossil fuels
The process of changing nitrogen into simple compounds is called?
Nitrogen fixation
An organism that gets energy by breaking down biotic wastes and dead organisms, and returns raw materials to the soil and water.
What is a decomposer?
What level of an energy pyramid has the most energy available?
Producer Level
When water moves from the land to a body of water.
What is Runoff?
How do animals get carbon?
By eating plants or other animals
How does nitrogen return to the atmosphere?
Soil bacteria breaks down simple compounds and releases free nitrogen.
The pattern of overlapping feeding relationships of food chains among the various organisms in an ecosystem.
What is a food web?
About what percent of energy is converted to heat or used for life processes at each level?
About 90%
When water seeps through the ground and collects.
What is groundwater?
What is a decomposer's role in the carbon cycle?
Returning carbon compounds to the soil and CO2 to the air.
Where does nitrogen fixation occur?
Nodules on roots by bacteria
A diagram that shows the amount of energy that moves from one feeding level to another in a food web.
What is an energy pyramid?
Why are there usually fewer organisms at the top of an energy pyramid?
There is less energy to be shared at the top of the pyramid.
Which of Mr. Heyen's children has a water cycle shirt?
Will, Reid, or Cole
Will
What would happen to the carbon cycle if all the producers were gone?
It would stop the cycle.
What is a bacteria's role in the nitrogen cycle?
Bacteria fixes nitrogen, breaks down waste and remains, and releases free nitrogen back to the air.