Most of the training of animals is learned from response. (a) unconditional or (b) conditional.

What happens when the cell copies its chromosomes

Which of the following are the functions of the integumentary system? yadda-yadda, the 1st answer is the brainliest. : )

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.