In babies born with Tay-Sachs disease, lipids build up in the brain instead of being broken down and their components recycled. Infer why Tay-Sachs disease is known as lysosomal storage disease.

Which of the following will not cause mass extinction? a. drastic change is weather b. geological change c. both a and b d. none of the above

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

What molecules does hemoglobin decay into over time