Charles darwin observed a unique beak size and shape in the finch population of each of the galapagos islands that he visited. mc003-1.jpg which is the most likely cause of the observed variation?

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

Organisms that successfully adapt will leave to grownone of the above

What are some possible consequences of preventing prescribed burns and natural wildfires