The first known member of the genus, Homo,

Albinism is a recessive disorder in which the skin and hair fail to produce pigment. The following question(s) ask you to evaluate the pedigree chart shown here in which "N" is the allele for normal pigmentation and "n" is the allele for albinism. The shaded circles for Deirdre and Shannon represent the only individuals expressing the disorder.What is Dawn's genotype?

A. Nn B. nn C. NN D. NN or Nn

The potential energy in a chemical bond is defined as chemical energy

Indicate whether the statement is true or false.

Type III survivorship curves reflect ____

a. high juvenile mortality b. low juvenile mortality c. high survivorship d. relatively constant mortality e. high adult mortality

Which statement best describes the movement of water in this system?

a. Water moves in both directions, but net movement is from A to B. b. Water only moves from A to B. c. Water moves in both directions, but net movement is from B to A. d. Water only moves from B to A. e. There is no net movement of water.