Answer:
traits that hinder survival eventually disappear
Explanation:
living things adapt to their surroundings
Embryonic stem cells have the potential to produce regenerated tissues, such as skin. They could provide means of healing diseases such as type 1 diabetes where a particular cell has been lost or is malfunctioning.
Answer:
True
(I am not 100% sure because the question is very short with no context, but I believe it to be true)
They are ineffective against viral infections because viruses can not be treated with antibiotics.
