Who determined the percentage of adenine (A) in the DNA always equaled the percentage of thymine (T), and the
percentage of guanine (G) always equaled the percentage of
cytosine (C).

Over time the trees in african have increased in length. many species have had to adapt to this change in order to survive. which of the following is a structural adaptation that has the african giraffe meet this change? question options: the african giraffe has become a faster at running from its predators. the african giraffe's neck has increased in size over the years. the african giraffe have moved to another part of africa. the african giraffe has not adapted and struggles to survive.

Greenthe fossil record is the history of life recorded byhuman observationgod.climatologists.remains of the past.

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different