Whales have what seem like remnants of a pelvis and femur, as shown here. An x-ray image of a whale tail. The pelvis and femur bones are shown. What are these structures an example of? transitional structures analogous structures vestigial structures adapted structures

Why did many nations resist napoleons rules

Which statement is true of both presidential and parliamentary systems of government?

What important discovery was made by edmond halley and alexis clairaut, using newton's ideas of mathematics and gravity? they created the scientific method to outline how science should be conducted. they were able to find the orbit of a comet and predict the year of its return. they discovered the three newest planets--uranus, neptune, and pluto. they explained why objects appear to have color.