4 is B. It wasn't in the genes to get short wings.
5 is C. It should be natural selection but adaptation is another way to say ns.
Answer: Almost certainly have no effect.
Explanation:
Most mutations that happen to your dna will barely ever show themselves in any way. And they probably won't even be passed to your children, because only mutations that happen in your gametes will get passed.
Answer: https://www.wwf.org.uk/learn/wildlife/polar-bears#:~:text=Challenges%20affecting%20polar%20bears&text=The%20Arctic%20is%20warming%20about,ice%20to%20raise%20their%20young.
https://www.carbonbrief.org/polar-bears-and-climate-change-what-does-the-science-say
Explanation:
