How do abiotic and biotic factors work together in the arctic?

Look at the picture below . what does this picture represent ?

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?

1. fold your hands together so your thumbs cross over ,and look at your thumbs. which thumb feels most "comfortable" on top is actually controlled by a gene. the left thumb folding over the right thumb is a domi