Aspecies of seaweed and coral are in competition for sunlight and space. which of the following best describes this relationship?
harmful, because the coral will eat the seaweed
harmful, because there will not be enough sunlight and space for both of them
, because they will share the space and both benefit from the interaction
, because the coral will benefit and the seaweed will not be affected

The best answer would be:

Harmful, because there will not be enough sunlight and space for both of them.

If you'd like to know more, read on:

Competition for resources can be harmful between the organisms in competition in many ways. If one of the organisms will be outmatched by the other, two things can happen: it can either adapt by relying on other sources to survive ;or it will die out.

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