The forelimbs of mammals contain an upper are bone called the humerus and two lower bones called the ulna and radius. these are found in mammals as varied as the bat, the dog, the human, and the rat. this skeletal arrangement is also found in prehistoric mammals. the best interpretation for this similar skeletal structure in so many different mammals is that

Im inn a ! what"s the answer which of the following is one way creativity can scientists? by ensuring they follow the scientific method by increasing the amount of time it takes to complete scientific experiments by making sure they only try things that have already been proven by leading them to ask more questions about the natural world

How do you think earths interior affects what is happening on the surface? 2. how do fossils support the continental drift hypothesis? 3. how does sea- floor spreading support the hypothesis of continental drift? 4.what do scientists observe when they studied the magnetic fields of rocks on the sides of mid-ocean ridges? 5. what is a tectonic plate ? 6. explain mantle convection 7.how can movements of the continents affect earths climate? 8. what occurs during drifting?

The diagram shows a chicken embryo and a human embryo