Question

How can i distinguish this term in symbiosis?

Obligate

  Facultative

Mutualistic

  Commensalistic

  Ectosymbiotic

Answer 1

Obligate- when two species are in such a relationship that they can not live/survive without each other. Survival of one species is dependent on the other and vice versa.

Facultative- two species living together but they are not dependent on each other for survival. They are together because of their choices and can survive without each other.

Type of symbiosis-

Mutualism/mutualistic relationship - an interaction between the 2 or more than two species where all the species are benefited by each other.

Commensalistic relationship- a relationship between 2 or more species where one species get some kind of benefits from another species without benefiting or harming the other species.

Ectosymbiotic relationship- it is a type of parasitic relationahip in which a parasite live on the surface, including internal surface such as lining of digestive track,  of an organism and get the food or other benefits.