| A | B |
|---|
| abiotic factors | nonliving parts of an ecosystem |
| adaptation | inheirited trait that increases chances of survival |
| biotic factors | living parts of an ecosystem |
| coevolution | two or more species adapt in response to each other |
| commensalism | relationship where one benefits and the other is not harmed and does not benefit |
| community | group of interacting populations of different species |
| competition | relationship between organisms where they attempt to use the same limited resource |
| ecosystem | all the organisms living in a certain area and their physical environment |
| evolution | change in genetic characteristics of a populatin from one generation to the next |
| extinction | the complete disappearance of a species or population |
| habitat | actual place an organism lives |
| host | organism that provides food for a parasite |
| mutualism | relationship where both species benefit |
| natural selection | the survival and reproduction of individuals with the most beneficial traits |
| niche | an organism's way of life of job |
| organism | one individual living thing |
| parasite | organism that lives in or on another organism |
| parasitism | relatiionship where one organism feeds off another and the second is harmed |
| population | group of individuals of the same species living in the same area |
| predation | relationship where one organism kills and eats the other |
| predator | organism that eats another organism |
| prey | organism that is eaten by another |
| species | group of individuals that have the same genes and can reproduce together |
