Which of the following characteristics of living things best explains why your legs and arms get longer and stronger as you get older?
Living things respond to their environment.
O Living things maintain internal balance.
O Living things are made up of units called cells.
O Living things grow and develop

Describe the primary and secondary immune response in terms of speed and number of antibodies produced?

Which could be a pathway of food through an ecosystem

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.