syn-, sy-, sym-, syl-, sys-

1. An argument or form of reasoning in which two statements or premises are made and a logical conclusion drawn from them. Example: All mammals are warm-blooded (major premise); whales are mammals (minor premise); therefore, whales are warm-blooded (conclusion).
2. Reasoning from the general to the particular; deductive logic.
3. An instance of subtle, tricky, or specious reasoning.

1. A stethoscope fitted with two chest pieces, allowing for a lateral comparison of sounds. Its use assists in locating a lesion in the chest by comparing the different sounds detected by the two chest pieces.
2. A special type of double stethoscope making possible the comparison of sounds and the detection of their directions.

The study of symbiosis.

An organism participating in a symbiotic relationship.

The term tends to be used more in reference to mutualists (relation between two different species of organisms that are interdependent; each gains benefits from the other) than to parasites, commensals (relationship in which one species derives some benefit while the other is unaffected), or other types of symbionts.

An organism associated with another in symbiosis; a symbiotic organism.

A fear of any intimate association with another life form or a dependency on another person.

A click on the image will take you to the series of illustrated quizzes which will appear in random order or you may click on this image quiz link.

Living with other species is an example of symbiosis and that is what you will see here.

An organism or species living in a state of symbiosis.

A reference to, or relating to, symbiosis.

1. Living together, social life.
2. Association of two different organisms (usually two plants, or an animal and a plant) which live attached to each other, or one as a tenant of the other, and contribute to each other’s support.

Also more widely, any intimate association of two or more different organisms, whether mutually beneficial or not.

3. The biological association of two or more species for their mutual benefit.
4. The mutual cooperation or interdependence of two people, as mother and infant, or husband and wife; sometimes used to denote excessive or pathological interdependence of two persons.

Information and several illustrations about symbiosis.