Most people with hemophilia are: a. female c. elderly b. from southeast asia d. male select the best answer from the choices provided a b c d

Examine the two squirrel populations in the accompanying figure. the populations are separated by a geographic barrier. if after a long period of time the two species are no longer separated, what evidence is needed to determine if speciation has occurred? the figure shows two populations of squirrels separated by a geographic barrier. examine the two squirrel populations in the accompanying figure. the populations are separated by a geographic barrier. if after a long period of time the two species are no longer separated, what evidence is needed to determine if speciation has occurred? the figure shows two populations of squirrels separated by a geographic barrier. polyploidy is creating new species. the two populations are not interbreeding freely. hybrid offspring of the two populations begin to appear. one species will increase into a population size twice as large as the other species.

Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.