What percentage of animals on earth are vertebrates?

a)5%

b)25%

c)50%

d)95%

Which element is found in both dna and proteins

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables

Is dna the same in every cell in the human body explain your answer