By how much did carbon dioxide levels increase from 1980 to 2000?
a.22 ppm
b.32 ppm
c.45 ppm
d.51 ppm

Amoeba sisters video recap pedigrees

During the process of two rails or sides break apart and attract new nucleotide bases to form a new and complete strand.

Which statement is not an accurate description of meiosis? a) meiosis produces offspring that are genetically diverse. b) meiosis produces offspring that are identical to the parent. c) in sexual reproduction half of the genetic material comes from the father (sperm) and half of the genetic material comes from the mother (egg). d) meiosis decreases the number of chromosomes by half so that when a sperm fertilizes an egg, the resulting zygote has the correct number of chromosomes.