Apopulation is a collection of all the types of organisms in an area.

The given statement is False.

Population is a group of organisms that belong to same species.

For instance, human population belong to the species called 'sapiens'.

Thus, it is a collection of only one type of organisms (that belong to same species) and not all types of organisms in an area. Therefore, the given statement is wrong.

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.

answer; i believe that the correct answer is (lung);