Answer: if they help you break down food
Explanation:
Mutualism is a biological relationship between TWO or more organisms of different species (inter-specie) in which one or more benefits.
A good example is bacteria in the human intestine that helps to break down cellulose contained in food, thus benefitting humans.
Answer:
it prevents for things to go in and out of it, kinda like a cell membrane.
Answer:
Collect DNA from individuals who are lactase persistent and are from the global hot spot populations. Then look for genetic differences correlated with lactase persistence; the first place to look would be in and around the lactase gene. Compare the genetic differences to see if they are the same or different.
Explanation:
Answer:
Question 17: B: They may provide evidence that Pennsylvania was once covered by warm ocean waters since most corals are presently found in these environments.
Question 14: I think the answer for this question might be A. But I'm not sure.
Question 10: D: Plates move toward each other and volcanic mountains form.
