In sheep, white wool (W) is dominant over black wool (w). What genotype and phenotype ratios are expected from a cross between a heterozygous sheep with white wool and a sheep with black wool

Which of the following is not a symptom of desertification? a) decrease in salt content of the soil b) lowering of the water table c) reduced surface water d) increased soil erosion e) loss of native vegetation

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?

Explain how scientists use geologic time to determine the age of landforms.