4.) The more different kinds of living things in an ecosystem the more successful it is. This is called . use this vid https://youtu. be/-Sybgof-X2k

The relationship between intron and exon

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.

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