Which of the following is the correct estimate of the amount of oxygen used in the interaction? A. Sum of 133 g and 29 g
B. Difference between 133 g and 29 g
C. Twice the sum of 133 g and 29 g
D. Twice the difference between133 g and 29 g

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 occurs to the cell during mitosis

What's wrong with this ecological pyramid? (multiple choice)1. secondary consumers should be at the bottom of the pyramid2. the sun has an arrow leading to decomposers 3. primary consumers should come after the sun4. energy retained should increase from the bottom to the top5. the sun should be at the bottom of the pyramid