Help don't guess

Name 3 of the 7 phyla given for the algae that belong to Kingdom Protista

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 organelle breaks down sugar molecules that supply energy to the cell ?

What organs comprise the respiratory system of a bird