What's the answer for 4 and 5 I'm really confused. Help please. Also number 5 you select multiple answers.

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes

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.

Which tool could you see a plant cell? a. a filter b. a microscope c. a microwave d. an electromagnet