One single organism
Individual
Group of individuals of same species
Population (elk heard)
All living organisms
Community
All living and nonliving
ecosystem
Large area with similar climate conditions that determine plant and animal species there
Biome
Organisms fighting over a resource
Competition
One organism using another for energy source
Predation
Relationship that benefits both organisms
Mutualism
Relationship that benefits one and doesn’t impact the other
Commenalism
Eat plants for energy
Herbivore
Using a host for energy without killing
Parasite
Lay eggs inside an organism, eggs hatch and eat host
Parasitoids
Different species use same source in different ways to reduce competition
Resource partitioning
Using resources at different times such as night and day
Temporal partitioning
Using different areas of shared habitat
Spacial partitioning
Using different resources based on differently evolved body parts
Morphological partitioning
Distance from equator
Latitude