Which describes the correct order of the geologic time scale, from oldest to most recent?

a. mesozoic era - paleozoic era - precambrian time - cenozoic era

b. cenozoic era - paleozoic era - mesozoic era - precambrian time

c. paleozoic era - precambrian time - mesozoic era - cenozoic era

d. precambrian time - paleozoic era - mesozoic era - cenozoic era

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

Which locations on the map are low-pressure areas? a b c d e

Gregor mendel is best known for his work with pea plants and for uncover many of the mysteries of genetics. one of his major findings stated that there were specific, physical units of inheritance that are transmitted during reproduction. what is the the name given to these units of inheritance which can be found on chromosomes? a) centromeres b) cytoplasm c) genes d) nucleotides