Crossing over? That involves the random exchange of chromosomes.
Answer:
Although habitats provide food, water and shelter that animals need, there is more to survival than just the habitat.
Answer:
C. Changes that convert light energy into chemical energy stored in carbohydrates
Explanation:
Just had this question on a bio assignment.
A+,A-,O+ and O- can give to blood type A+
Answer:
a. enclosing their DNA in a nucleus.
Explanation:
Prokaryotes in general have no membrane bound organelles. The cells are enclosed in a plasma membrane though .