Scientific question: Why does a dog circle its bed before lying down? Write the steps you would take to explore this question using the scientific method.

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."

option c is the correct answer.

lesson summarykaryotypes a genome is the full set of all the genetic information that an organism carries in its dna. chromosomes arebundles of dna and protein found in the nucleus of a eukaryotic cell.

i believe it's c. the trait for large beaks will be passed on to future generations through natural selection.

since eventually smaller beaks would have to find another source of food or even eventually just die out from the lack of food.