Which of these statements best explains how natural selection provides evidence to the scientific theory of evolution?

a. it proves that natural selection always leads to greater complexity in organisms.

b. it proves that some organisms with specific adaptations survive better than others.

c. it shows how organisms with perfect traits can be created to suit the environment.

d. it shows how organisms choose to adapt to changing earth conditions.

What noticeable trend from this graph might be used to make a conclusion?

In cattle a single gene with two alleles determines fur color the fur can be red white or roan roan fur has both red and white hair which of the following statements is true a the allele for roan fur color is dominant over red and white fur color b the allele for red fur color is dominant over white and roan fur color c the roan and white alleles are expressed independently of the other d the red and white alleles are expressed independently of each other

Which chemical bond most likely stores the most energy? o a. double carbon-carbon bond o b. single carbon-carbon bond o c. hydrogen-oxygen bond o d. sodium-chlorine bond