Populations and Ecosystems ( (Biotic Factors (Living Things (Species ,…
Populations and Ecosystems
relationship between species, where one organism, the parasite, lives on or in another organism, the host, causing it some harm, and is adapted structurally to this way of life.
Both organisms are benefitting from each other
Same or different members of species compete for resources, especially for limited natural resources.
relationship between individuals of two species in which one species obtains food or other benefits from the other without either harming or benefiting
the preying of one animal on others.