What biomolecule is this? a. Carbohydrate b. Lipid c. Nucleic Acid d. Protein

Look at the images of different rocks. which rocks have a fine-grained texture? check all that apply. 1 2 3 4 5

What organ systems are working to you cool down after a workout?

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.