Answer:
my guess is C- to breathe...but the respiratory system also gets rid of waste, but mainly to help a person breathe
Explanation:
hope this helps
Answer: ½ Rr (pink) ½ RR (red) b. rr × Rr gametes: Rr: ½ R, ½ r rr: all roffspring: ½ Rr (pink) ½ rr (white) c. RR × rr gametes: rr: all r RR: all Roffspring: all Rr (pink) d. Rr × Rr gametes: Rr: ½ R, ½ r for each parent offspring: ½ Rr (pink) ¼ RR (red) ¼ rr (white)
Explanation:
I'm not sure if this is exactly correct, but to complete photosynthesis, plants need carbon dioxide and water. Usually sunlight as well. If you are supposed to be specific, you could put H2O. I hope I answered your question!
At the smallest level of organization, the DNA wraps itself around small globular proteins called histones. Complexes of histones and DNA form nucleosomes, which appear as "beads" on the DNA strand. Chromatin refers to the decondensed DNA that has not formed separate chromosomes.