With chromosomes crossing over frequently, it's more likely that genetic defects will occur in offsprinfg.
Answer:
natural selection I guess
Answer: i would say the core then its the mantle then the crust
Explanation: hope this helps
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.
