Which of the following statements about the phosphorus cycle is true? a. in living organisms, phosphorus can be found in nucleic acids. b. phosphorus in aquatic ecosystems is only found in sediment. c. elevated levels of phosphorus in aquatic ecosystems is always beneficial. d. the soil plays no part in the phosphorus cycle.

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.