The continued activity of the lactase enzyme in adulthood.
Answer: Chose which type of mutation that causes a sickle cell anemia.
your answer is the Ureter
Answer:
<h3>male and female reproductive cells </h3>
Explanation:
<h3>I hope it helps ❤❤</h3>
Answer:
Oxygen levels are generally thought to have increased dramatically about 2.3 billion years ago. Photosynthesis by ancient bacteria may have produced oxygen before this time. ... In addition, early plants and algae began to release oxygen at a faster rate. Oxygen levels then showed a dramatic increase.
