In plants, what is the function of the cuticle? To prevent water loss
To absorb carbon dioxide
To move glucose through the stem
To release oxygen

How does natural selection change thephenotypes within a population over time?

How many chromosomes does each human cell contain? a. 23 chromosomes b. 26 chromosomes c. 43 chromosomes d. 46 chromosomes

Anurse is caring for a 42-year-old client who is scheduled for an amniocentesis during the fifteenth week of gestation because of concerns regarding down syndrome. what other fetal problem does an examination of the amniotic fluid reveal at this time?