The eyes and nose of the crocodile are set on top of it's head to allow it so to see and breathe while keeping most of it's body hidden underwater. The eyes and nose are an example of... A. Selective breeding
B. Adaptations to fit a location
C. Escape mechanism for prey
D. Heterogeneous cells

Ascientific idea becomes valid when it is what?

Which of the following is a good definition for the word adaptation? question 1 options: a trait that an organism survive and reproduce in its environment. a change in an organism's environment. the way in which animals obtain food. a temperature change that can cause the extinction of plants and animals.

The structure of a dna molecule is best described as a. one long strand of nucleic acids b. two strands of dna nucleotides joined by hydrogen bonds c. two strands of amino acids joined by hydrogen bonds d. one long strand of amino acids