11. Humans and some animals are examples of what type of heterotrophic nutrition? b. holozoic c. parasitic d. chemosynthetic 12. This organelle is found only in plant that made possible for plants to manufacture a. Mitochondria b. chloroplast c. leucoplast d. plastid 13. Glucose is stored in a form of starch in______ a. Animals b. plants c. both plants and animals d. bacteria a. Plants 14. The only organisms capable of manufacturing their own foods c. both b. animals d. none of them 15. Digestion is the process where complex food substances are broken down into smaller pieces. This process happens only in a. Plants b. animals c. both d. none of them 16. The main organ of respiration in animals particularly in humans is b. lungs a. Alveoli c. bronchus d. trachea 17. Gas exchange in earthworm takes place in their a. Head part b. skin c. tail d. whole body 18. The following describes the gas exchange in plants except a. Exchange of gases takes place through the pores underside of the leaf called stomata. b. At night the plant releases carbon dioxide and takes in oxygen. c. The root takes in carbon dioxide present in the soil by the process of diffusion. d. In daytime, the plant releases oxygen and takes in carbon dioxide. 19. Which of the following influences the opening and closing of stomata? b. water a. temperature c. heat d. moist soil 20. Aside from the leaves, exchange of gases can also take place in other parts of the plants, except_______ a. Stem b. roots c. root hairs d. flowers their own foods,​