2. Our external environment often changes, but our internal environment must stay constant, how can this be achieved?
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6. Body systems involved in Homeostasis Nervous Endocrine (hormonal) Respiratory Circulatory Digestive Excretory Integumentary (skin)
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8. A (hopefully) useful analogy) SENSORS detect if car speed is lesser or greater than 60kph Going too fast Going too slow Brake Accelerate Go slower Go faster EFFECTORS increase or decrease speed
34. The burning of kerosene releases ethylene gas which would have made the fruit ripen more rapidly
35. Pair the plant hormone with its function B D E A C E) Increases rate of cellular respiration Cytokinins D) Stimulates seed germination Abscisic Acid C) Promotes cell division Ethylene B) Promotes stem growth through cell elongation Giberellins A) Promotes seed dormancy Auxin