Why is the first hill of a roller coaster always the tallest? Explain.

Which statement about inheritance is true? o girls get most of their traits from their moms, boys get most of their traits from their dads. o male offspring will always have an x-linked genetic disease if the mom is a carrier o fathers always determine the gender of the offspring in humans. o males never have y chromosomes.

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment

The most famous fossil called archaeopteryx is which of the following? a dinosaur a fern a fish a bird