PLS HELP ASAP This specialized cell controls gas exchange and water loss in a plant. It is found on the under-side of leaves. This structure is called a —

Question 15 options:

chlorophyll cell

chloroplast cell

stomata; guard cell

Rarefaction is used for which of the following? a. creating a representative sample b. studying how disease impacts populations c. rediscovering species thought to be instinct d. determining which sea creatures live in an area

Which of the following graphs have the same wavelengths

Choose the best definition of allele. a. one of several possible versions of a gene, which each produce a different phenotype b. an organism that's purebred for a given trait c. the process of fertilizing a plant with pollen from another plant d. a set of genes that are located on the same chromosome and so are tightly linked