| A | B |
|---|
| commensalism | interaction that benefits one species and does not benefit or harm the other species |
| niche | the role an organism plays in their habitat |
| habitat | physical location - where - plants and animals live |
| carrying capacity | when the population stops growing |
| simple to complex | organism, population, community, ecosystem, biome (OPCEB) |
| succession | a gradual series of cahnges in a community |
| ecosystem | living and nonliving factors interact |
| primary succession | the first living things move into a barren environment (after a glacier retreats) |
| predator | an animal that eats another |
| prey | an animal that is eaten by another |
| competition | struggle between individuals or populations |
| cooperation | when organisms work together to benefit all |
| symbiosis | relationship between different species who live together |
| mutualism | interaction that benefits both |
| parasitism | small partner can harm a much larger host |
