6. An example of Positive feedback is one of the following: a- Blood clotting
b- Ovulation
c- Hyperglycaemia
d- Homeostasis

2. Which of the following is a feature of hypothyroidism?
a- Rapid heart rate.
b- Weight loss.
c- oily skin.
d- Heavy periods.

Which of the following is not a characteristic of natural selection? 100 points pls more offspring are born than will survive to reproduce. mutations appear randomly breeding pairs are chosen by humans organisms that are better adapted are more likely to survive

Adoctor is trying to diagnose a patient with dry skin. which of the following resources would be the most ? a magazine ad about soft skin a growth chart online articles about dry skin medical books

Is dna the same in every cell in the human body explain your answer