What molecule do bacteria take in (use up)? Oxygen
Carbon Dioxide
Water

(This is 7th grade science)

Akrabby blind whale has married pearl who has normal vision. oneof their two sons is also colorblind. what arr the genotypes of the parents?

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

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic