What is the loss of fertilizer and pesticides from soil by water moving through it?

Which of the following tissues contain dead cells at maturity?

a. cork b. epidermis c. parenchyma d. phloem

Base pairs in DNA are held together by ________ bonds.

A. peptide B. hydrogen C. polar covalent D. nonpolar covalent E. sulfhydryl

All of the following are general characteristics of all animals except

a. diploid with haploid eggs and sperm. b. develop from an embryo. c. multicellular body. d. heterotrophic. e. possesion of nerves and muscles.

Under which of the following conditions would the rate of transpiration INCREASE?

a. When the weather changes and air becomes drier b. When the temperature of a leaf decreases c. When stomata close at night d. During a storm, when atmospheric pressure is low