An example of interaction in an ecosystem

Predation: In predation, one species kill and feeds on another species.

This type of energy is called radiant energy.

When a lake, river or other aquatic  system  becomes  eutrophic, it can have serious negative effects on other organisms like fish, birds and even people.if an algal bloom is so bad that it causes wide-spread death  in  the  water, the organisms that die will all sink to the bottom and start to decompose.