Structure 2 in figure four represents a A. mRNA
B. tRNA
C. rRNA
D. DNA molecule
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The embryos of a bird, a reptile, and a mammal are similar in appearance. how does comparing the physical appearance of embryos of different species support the theory of evolution? a. it shows that these organisms share a common ancestor. b. it provides evidence that these organisms eat the same foods.c. it shows that these organisms share the same habitat.d. it provides evidence that these organisms suffered a genetic mutation.

This is collection of data made by comparing objects in standard units. in science, the units are metric.

What is the most important inorganic material for livings things? ! due tomorrow!