The pea has a haploid number of seven chromosomes, the diploid number would be

Ryan rears sheep for their wool. recently the quantity of wool that ryan gets has diminished. this is because the new sheep are not that wooly. ryan should add which nutrient to their feed so that the sheep becomes more wooly? a.cornb.ironc.cottonseedd. vitamin a

Cells must be in osmotic equilibrium with their surroundings environments because if they swell or shrink thier membranes will rupture

How many pounds does the earth weigh?