Which of the following is an example of epithelial tissue?
a. bone
b. skin
c. fat
d. muscle

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.

What is the difference between hypothesis, theories, laws, and observations?

What are the methods of heat transfer? check all that apply. absorption conduction convection radiation reflection