A change in an organism's body is a(n) A change in the environment is a(n)
A. instinctive, learned
B. internal stimulus, external stimulus
C. chemical signal, display
D. association, condition

The pattern of this wave changes between its beginning and end. what is true about the amplitude and wavelength of the wave when the pattern changes?

Nucleic acid certain protein cell membranes certain carbohydrates

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.