Which of the following scenarios best illustrates that two organisms likely share a common ancestor? A- Ducks and platypuses both have developed bills for mouths.
B- Yeast can use the human version of a yeast gene to repair itself.
C- Arctic foxes and Arctic hares grow white coats as camouflage in winter.
D- Protozoans can enter the bloodstream and multiply in the liver, causing malaria.

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.

Which organisms udergo photosynthesis

What characteristic makes a cell membrane selectively permeable