Carbohydrates
What are the only elements in carbohydrates?
Carbon, Hydrogen and Oxygen
If there are plenty of resources what will happen to the birth rate?
It will increase
Define a cycle
A complete round or series of occurrences that repeat
What grows on bare rock in primary succesion?
Lichen
What is the most common of the four macromolecules?
Carbohydrates
What happens as population increases?
Resources decrease
What are some items recycled in different cycles in nature?
Water, Nitrogen, Carbon, and Phosphorus.
Lichen and small annuals are examples of what?
Pioneer species
Is a carbohydrate a macromolecule
Yes
What happens when resources decrease?
Birth rates decrease and death rates increase
What is it called when a liquid turns into a gas?
Evaporation
What happens when there is minimal soil and some grasses grow and die?
They add nutrients to the soil.
A carbohydrate is one of how many carbon containing molecules?
10 Million
What has been reached when birth and death rates become stable?
Carrying capacity
What is evapotranspiration?
When water soaks into the roots of plants and evaporates through tiny openings called stomata.
If there is a fire that completely wipes out a forest, what type of succession occurs?
Secondary succession
Do Carbohydrates contain nitrogen?
No
What determines carrying capacity?
Limiting resources
What are the ways carbon is released into the atmosphere?
It is released through cellular respiration, when cells use glucose for energy CO2 is released, organisms exhale CO2, it is released when we burn fossil fuels, and it is released when organisms die.
When the ecosystem is at its fullest what is it called?
Climax community