plants need carbon dioxide to survive, plants get this gas from , which is something all living things (organisms) need.

Many farmers prefer cattle without horns because it is safer for their herds. the allele for no horns (n) is dominant to the allele for the presence of horns (n). a farmer mates a male with horns to a heterozygous female without horns. what is the chance that the offspring will have horns?

Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone

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