Scientists want to determine how closely related chimpanzees are to humans. which data would give the most accurate comparison?
a) their niches
b) their dna sequences
c) their physical characteristics
d) their behavioral characteritics

What causes darkening of the skin as melanin production increases

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.