** what is a limiting factor? how can limiting factors limit the size of a population? in your answer, give an example of a biotic and abiotic limiting factor in a forest ecosystem.

The carrier molecules of the electron transport system are located in the

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.

20 the main source of energy for our planet comes from the