Why is the following statement true: A muscle could not lift anything without being attached to a bone.
A. The bone forms the fulcrum (*) of the lever (IH).
B. The bone forms the load of the lever.
C. The bone forms the lever for the muscle to work on.
D. The bone supplies the forces that work on the lever.

What are some things that limit population growth?

Is becoming less expensive to screen blood samples for dna certain diseases have genetic basis what is possible ethical concern about the availability of inexpensive dna testing

1. -define adaptation2 explain darwin's theories of descent with modification and natural selection in detail3. -explain how each of these provides evidence for evolution: a. -fossil record, including superposition and transitional fossilsb-anatomy, including homologous structuresc-biological molecules, including dna and proteins4. -explain the difference between convergent and divergent evolution.5. -define and give three examples of artificial selection6. -define and give one example of coevolution.7. -explain biodiversity and how it benefits humans.8. -explain a type of population lest affected by environmental change.