Study guide Flashcards
Water cycle
Water cycle is defined as the way that water moves between being water vapor to liquid water and then back to water vapor.
Food web
A model that shows many different feeding relationships among living things
Consumer
An organism that eats other living things to get energy
Constant variable
The things that stay the same in a experiment
Biome
A major ecological community such as grasslands tropical rainforests or desserts
Nitrogen cycle
Presses by which nitrogen and its compounds are interconverted in the environment and in living organisms, including nitrogen fixation and decomposition
Energy Pyramid
A model that shows the Avila.
Carbon cycle
The carbon cycle is the process in which carbon travels in the atmosphere
Food Chain
A model that shows one set of feeding relationships among living things
Predator
an animal that naturally preys on others.
Independent variable
The only thing that can change in a experiment
Hypothesis
a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation
Biotic factor
All the living factors in the ecosystem
Prey
an animal that is hunted and killed by another for food.
Succession
Natural, gradual changes in the types of species that live in an area;
