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The living things in an environment.
Biotic
The nonliving things in the environment.
Abiotic
Different populations in the same area.
Community
The process of Carbon moving through the atmosphere.
Carbon Cycle
Omnivore
All the living and nonliving things in the environment.
Ecosystem
Many of the same organisms in one area.
Population
The process of Nitrogen moving through plants and animals.
Nitrogen cycle
The role or roles an organism has in an environment.
Niche
An organism that eats plants only.
Herbivore
An organism that eats animals only.
Carnivore
When you take a sample of a population and tag it. After a few months you come back to see how many tagged organisms from before are still there. This shows you how much the population has grown.
Mark and Recapture
Counting every animal to determine the population.
Direct Observation
Using clues like tracks and nests to figure out the population.
Indirect Observation
Counting the population in one small area to determine the population of a larger area.
Sampling
One single living thing in the environment.
Organism
The wolf eating the rabbit. The wolf is the
Predator
The wolf eating the rabbit. The rabbit is the
Prey
The species that interacts and helps every other species in the ecosystem.
Keystone species
To show how the energy moves through the ecosystem.
Energy Pyramid