What do you need help with ?
Answer:
The correct option is D) The birds have different mating seasons.
Explanation:
Organisms belonging to the same species will have the ability to reproduce and produce fertile offsprings. As the birds have different mating seasons, this means that the birds are not able to mate and reproduce at the same time. Thus phenomenon supports the second student's argument.
A bonds with T in DNA
A bonds with U in RNA
G bonds with C IN DNA
In RNA, the only difference with the code is uracil takes thymines place
DNA helicase is the enzyme that unwinds the DNA double helix by breaking the hydrogen bonds down the center of the strand. It begins at a site called the origin of replication, and it creates a replication fork by separating the two sides of the parental DNA.
Hope this helps!
Please give brainliest!