Refer to the illustration. if a hormone attached to the receptor protein shown in the diagram, the receptor protein would

change the shape of the hormone

become a phospholipid molecule

trigger events within the cell

detach and move into the cytoplasm

The correct answer is the receptor protein would trigger events within the cell.

Explanation:

From the given picture in the question ,one can easily say that the receptor is a cell surface receptor.As a result receptor molecule will interact with the peptide hormone leading to the formation of hormone receptor complex.

     The hormone receptor complex then moves into the nucleus of the target cell and binds to the specific sequence of DNA called hormone responsive element which then trigger various events according to the cell"s need.

the reason the two sea urchins don't compete with each other for food, resources, etc. is because the urchins have adapted to the environment but they have also adapted to each other. this is most likely because the genes of the sea urchins.