Iguanas on the Galapagos Islands are good swimmers and divers, which gives them the advantage over other species of iguana for being able to find food in the water. Which factor most likely contributes to the natural selection for this species of iguana?

a. Inherited variation

b. Differential reproductive success

c. Competition for space Incorrect

d. Mutations in genetic code

Write a paragraph at least 5 sentences “why all vaccinations should be mandatory”

Molecular models of two different substances are shown below. in the molecule on the left, the oxygen atom pulls on electrons more strongly than the hydrogen atoms. in the molecule on the right, the two oxygen atoms pull on the shared electrons with the same strength. water molecule, h,o oxygen molecule, oz when the two substances are put in the same container, they do not attract each other. why does this happen? a. they both contain oxygen. b. one is polar and one is nonpolar. c . they are both polar. d. they contain different elements.

Dna. we have heard that we are a product of our dna. but where is it? how do we "get" our dna? it is passed to us, from our parents, but in what form? several vocabulary words associated with inheritance are used interchangeably and sometimes, incorrectly. let's see if you can clear this up for someone just learning about inheritance and cell structure.