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Questions in biology

[Terjawab] 4. Why do we sweat more on a humid day? How does sweating help us in cooling our body? 5. Why does a desert cooler work better on a hot dry day? What is the principle behind its working?

[Terjawab] QUESTION 5 Living organisms in an ecosystem can be divided into three nutritional groups. Name these three groups. QUESTION 6 Name and explain the two types of competition. (i) QUESTION 7 Where can you find large herbivores like cows and horses? QUESTION 8 In a healthy ecosystem, what would trophic level A be composed of?

[Terjawab] Which statement best describes how the environment influences the traits of an individual? A. The environment influences the gene expression which can change the genotype. B. The environment influences the gene expression which can change the phenotype. C. The environment influences only external factors. D. The environment influences only internal factors.

[Terjawab] Which environmental change is considered short term? A. forest fire B. ice age C. mountain building D. solar energy changes

[Terjawab] Explain in a short essay how these five mechanisms enable evolution to occur. Your essay should include the following: (i) Title (ii) Introduction (iii) Content (iv) Conclusion

[Terjawab] Which statement correctly describes how greenhouse gases increase Earth's temperature? A. Earth's surface reflects short-wavelength radiation from the sun. Greenhouse gases absorb the short-wavelength radiation and warm the atmosphere. B. Greenhouse gases absorb short-wavelength radiation from the sun. The radiation increases their temperature and warms the planet. C. Greenhouse gases block long-wavelength radiation from the sun, leaving only short-wavelength radiation to pass through the atmosphere. This radiation warms the planet. D. Earth's surface absorbs short-wavelength radiation from the sun and re-radiates it as long-wavelength radiation. Greenhouse gases prevent the long-wavelength radiation from escaping the atmosphere.

[Terjawab] Which microorganism is correctly matched with its industrial use? (1) Streptococcus – Vinegar production (2) Rhizobium – Antibiotic production (3) Saccharomyces – Alcohol fermentation (4) Penicillium – Nitrogen fixation

[Terjawab] In describing the double helix of DNA, Shawnese represents a "twisted ladder". At the same time, she positions her hands as if she is holding a small ladder and makes the twisting motion to demonstrate what she is describing. Shawnese's gestures serve as a(n): A. expressor B. regulator C. emblem D. adaptor E. illustrator

[Terjawab] Activity: How is observing done? Prepare pre-cut slices of fruits. Make sure to maintain safe eating even at home. Questions: 1. How does it taste? 2. What sense/s did you use?

[Terjawab] Match the following. Group A (1) Carbon dioxide (2) Oxygen (3) Water vapour (4) Microbes Group B (a) Generation of soil (b) Rain (c) Plants and food production (d) Combustion