The disproportionately high appearance of polydactylism among the Amish suggests that . A. It is a common mutation b. It is a common birth defect in Pennsylvania c. It was overrepresented in the gene pool of the original Amish settlers d. Humans are prone to this birth defect Please select the best answer from the choices provided A B C D.

The graph shows the amount of global warming happening in different ecosystems. which populations of organisms will likely decline the most as a result of climate change, and why? a.coral reefs because of the loss of the symbiotic algae living within their bodies b.penguin populations because the fish they eat will move into warmer waters c.mountain-dwelling birds because rising sea levels will relocate their food sources d.large cats in the rainforest because of decreased habitat loss for their prey

Has regulatory areas for thirst, hunger, body temperature, water balance, and blood pressure

Which are characteristics of flukes? check all that apply. a they are free living. b they are a type of flatworm. c they reproduce sexually. d they have eyespots. e they are segmented.