Temperatrure diffrences between the equator abd the two poles produce
a: convection currents in the mantle
b: convection currents in the atmosphere
c: the coriolis effect
b: the green house effect

What evidence did mendel find that supported his law of independent assortment? a. some traits are controlled by several different genes. b. a trait can be passed on from a parent to an offspring. c. most traits have a dominant form and a recessive form. d. different traits are passed on independently of each other.

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes

Why has two different alleles for the same trait?