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Questions in biology

[Terjawab] B. Fill in the blanks. 1. Living things get _______ from the food they eat. 2. Plants breathe through _______. 3. Whales breathe through their _______ gas. 4. Plants prepare food with the help of _______. 5. _______ and _______ give shape to a tree. 6. The single main root called _______ bears several small roots. 7. We can avoid _______ following safety rules at various places. 8. We should use a _______ to cross the road.

[Terjawab] 1. Which part of the tooth is visible when we open our mouth? 2. How many molars are there in each jaw? 3. What is the yellow sticky layer present on teeth called? Plaque 4. Which type of teeth are used for grinding?

[Terjawab] Based on the information shown in the table, match each digestive enzyme to the part of the body where it is found. | mouth | stomach | small intestine | |---|---|---| | | |

[Terjawab] Most plants are A. monocots B. dicots C. tricots D. polycots

[Terjawab] A person who has allergies has a compromised immune system because the body's immune system A. attacks its healthy cells. B. overreacts to an antigen. C. steals nutrients from healthy cells. D. responds to mutagens.

[Terjawab] Which conditions need to be in balance for cells to function? Check all that apply. A. blood sugar B. food intake C. body water D. body temperature E. body mass

[Terjawab] Which of the following is not an example of mechanical control of nonnative species? A. pulling B. inspections C. net barriers D. mowing

[Terjawab] Why do we need to segregate garbage that could be decomposed from those that do not decompose?

[Terjawab] How do humans get the nitrogen they need? A. By breathing B. By eating plants C. Through cellular respiration D. Through photosynthesis

[Terjawab] What is the main organ of a skeletal, muscular, cardiovascular, respiratory, and digestive system?