The Origin Of Species The Beak Of The Finch Answer Key
The beak of the finch to demonstrate to her students how quickly selective pressure can affect a population as well as to show that not all science is done indoors.
The origin of species the beak of the finch answer key. The origin of species the beak of the finch. Belen luna the 13 species of finches living on the galápagos islands evolved from a common ancestor within the last 2 million to 3 million years. Wilson have marveled at the incredible number and diversity of species on earth. How did caltrops and finches coevolve.
Based on what you saw in the film identify the adaptive trait that is most important to survival under the and. Birds with beaks 11 mm in length could crack a caltrop but birds with beaks 10 5 mm in length could not. The finches and caltrops probably coevolved by the caltrops adapting with better defenses against the finches and the finches adapting with stronger or longer beaks to crack the caltrops. The beak of the finch samantha johnson describes how she uses the short film the origin of species.
Finches discriminate between members of their own species and those of a closely related species based on song and appearance. Naturalists from charles darwin to e. 2 central and south america. The origin of species.