Answer ! lots of points

what are the 4 types of interactions in communities? define each interaction. which are symbiotic?

The four types of interactions in communities are:

Definition of each interaction:

Mutualism:

The type of interaction in which both the species involved are benefited, it is called mutualism.

Parasitism:

The type of interaction in which one species is benefited, whereas the other is harmed, it is called parasitism.

Commensalism:

The type of interaction in which one species gets benefited without harming or providing benefits to others is called commensalism.

Competition:

The type of interaction in which both species lose is called competition. It is opposite of mutualism.

Symbiotic relationship:

It refers to the type of interaction in which lastly one species gets benefited. The type of interactions such as mutualism, commensalism, and Parasitism are considered as symbiotic relationship.

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.