Answer:
Each base pair is formed from two complementary nucleotides (purine with pyrimidine) bound together by hydrogen bonds. The base pairs in DNA are adenine with thymine and cytosine with guanine.
Explanation:
They are further down because of superposition and faunal succession
Answer:
C. People at a football game.
The correct answer is (D) Penguins and ducks develop in a more similar way since their common ancestor is more recent than the common ancestor of penguins and bats or ducks and bats.
The birds such as penguins and ducks develops in a similar way since their common ancestors are more recent as compared to the common ancestors in case of penguins and bats or in case of ducks and bats. The birds and bats do not share any recent common ancestors according to the phylogenetic tree.
