Statement about stomata is true? a. the number of stomata is greater on the upper surface of the leaf. b. the number of stomata is greater on the lower surface of the leaf. c. the number of stomata is equal on both surfaces of the leaf.

If assuming tasting ptc as a simple gene trait,what other genotype would you select to put in this missing genotype box that could result in this phenotype

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water

Which of the following must be true for a fossil organism to be useful as an index fossil? a. the fossil organism must be widespread geographically. b. the fossil organism must be abundant. c. the fossil organism must be limited to a short span of geologic time. d. all of the above.