Astudent drew this model of the trophic levels of an ecosystem. how can you improve this model’s accuracy? the sun should be added at the bottom, with 100 percent of the energy. the energy retained should decrease from the bottom of the pyramid to the top. the energy retained should be equal from the bottom of the pyramid to the top. the sun should be added at the top, with 100 percent of the energy.

Where can dna be found in a prokaryotic cell

Which of the following terms best matches this definition: the process where humans choose the traits that will be present in the next generation through breeding. question 4 options: genetic determinism artificial selection acquired selection natural selection

What is the main difference between the central nervous system (cns) and the peripheral nervous system (pns)? .the cns involves the brain and spinal cord, and the pns involves the body nerves. the cns involves the body nerves, and the pns involves the brain and spinal cord. the cns involves sensory neurons, and the pns involves motor neurons. the cns involves motor neurons, and the pns involves sensory neurons.