If II-4 and II-5 have a 5th child, what is the probability they would have a child that is affected with the trait?

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

The finches on the galapagos island were similar in form except for variations of their beaks. darwin observed that these variations were useful for: attracting a mate defending territory building nests gathering food

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur