Circulatory system.....circulates blood (a vital delivery system of oxygen) throughout the whole body when tissues need it the most and with a constant supply.
Answer:
the answer is b oxygen attract electrons more strongly than hydrogen does
Cause waters wet so the acid from the water is not dry
Answer:
Natural selection occurs when some of those traits help some individuals survive and reproduce more than others. That causes their genes to become more common in the population over time, and it's the way species evolve to adapt to changes in their environment.
Explanation:
hope this helps =)
Answer:
Asexual Reproduction: Mitosis, genetic sameness
Sexual Reproduction: Meiosis, produces gametes, genetic variation,
Both: Nuclear Division, DNA replicated
Not too sure about the DNA replication but i hope this helps !