A characteristic of young mountains are sharp, jagged peaks.
True or false

Match the examples to the correct level of organization. 1. system level roses, snakes, puppies 2. organism level roots, stamens, leaves 3. tissue level bone, cartilage, blood 4. organ level heart, veins, arteries

Where do the respiratory and circulatory systems meet? a. in the heart b. in the muscles c. in the lungs d. in the brain

Do you think the gene eef1 alpha1 supports cell theory? explain your response.