Which statement describes the life cycle of a plant? a. leaves an exoskeleton b. four distinct stages c. alternates between plants with full and plants with half the chromosomes d. pupa stage

Aplant may open end close its stomata to prevent excess water loss and maintain

What are the two causes of density in deep current waters? a. salinity (how much salt) of the water and high temperaturesb. salinity (how much salt) of the water and low temperatures c. oxygen content of the water and high temperatures. d. oxygen content of the water and low temperatures

Match the reproductive structures based on their function and the system to which they belong. egg ovary sperm vas deferens vagina fallopian tube testis urethra