Study of distribution of related species
Association between members of same species
Association between members of two species
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The correct answer is C. Association between members of two species.
Symbiosis is a close and often long-term relationship between two different species. It can be beneficial, harmful, or neutral to one or both of the species involved.
There are three main types of symbiosis: mutualism, commensalism, and parasitism.
- Mutualism is a type of symbiosis in which both species involved benefit from the relationship. For example, some plants have bacteria living in their roots that help them to fix nitrogen from the air.
- Commensalism is a type of symbiosis in which one species benefits from the relationship, while the other species is neither harmed nor benefited. For example, barnacles often attach themselves to whales. The barnacles get a free ride, while the whales are not harmed by the barnacles.
- Parasitism is a type of symbiosis in which one species benefits from the relationship, while the other species is harmed. For example, tapeworms live in the intestines of animals and feed on the animal’s food. The tapeworm benefits from the relationship, while the animal is harmed by the tapeworm.
Symbiosis is a fascinating and important part of the natural world. It plays a role in many different ecosystems, and it helps to shape the evolution of species.