Does anyone have the answers to Platos Biology Semester B Unit 3 post test? I am having such a hard time with it.

Where is energy trapped inside the organelle chlorophyll

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?

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.