Answer:
C
Explanation:
This is because the favorable traits will typically be present within the surviving animals leading them to be able to survive long enough and pass down more favorable traits.
Hope this helps!
Pufferfish<span> will puff up</span><span> if they are threatened.
I don't think it's possible though.</span>
Vasodilation when you re hot(arterioles dilates so more blood flows through the surface of the skin,vasoconstriction vhen you re cold(arterioles constrict so less blood flows through the surface of the skin)
Is methane and propane what you're looking for
