Which of the following statements are part of
Koch's Postulates? Check all that apply.
The disease-causing microorganism must be
present in at least half of the cases of
disease.
The microorganism can be isolated and
grown in a pure culture.
The microorganism from the pure culture will
cause the disease in at least 80% of healthy
organisms.
A re-isolated microorganism may evolve into
a different species than the original.

Hello! I just answered this question on Edgeunity. the answer is The microorganism can be isolated and grown in a pure culture.

The microorganism can be isolated and grown in a pure culture.

Explanation: I took the test

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.

biology is the study of life. it is the study of living organism.