the eight planets in our solar system orbit the sun which is sat at the center of our solar system which best explains the positions and movements of objects found in the solar system

If someone could do the first couple, just so i can see how it's done that would be great! 20 points. complete a dichotomous key for the 10 leaves on the common leaves sheet. the chart provided here allows for 11 pairs of statements. depending on how you build your dichotomous key, you may or may not need all of them, or you may need to add some.

Albinism is an inherited genetic disorder. explain what it is meant by inherited genetic disorder

What molecules will be best used to compare different species with the exact same sequence of amino acids? why would two species have the same protein even if the molecules in question is different? (hint: transcription to translation to protein).