is anyone dominant for every trait is anyone recessive for every trait if not what does this show about dominace and recesssiveness of traits in people

An easy way to calculate the amount of energy available at each level is to what?

Which represents the cross between parent plants if one is heterozygous for yellow-colored pods and the other is homozygous for green-colored pods? yy  ´    ´    ´    ´  yy

What organs comprise the respiratory system of a bird