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Questions in biology

[Terjawab] Write the names of the possible threats to oceans?

[Terjawab] A cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. Purple offspring result due to incomplete dominance. Then, two of the purple offspring are crossed. What proportion of the offspring from the second cross will be purple? A. 1 in 4 B. 7 in 4 C. 3 in 4 D. 4 in 4

[Terjawab] Which of the following will give a positive result for a coagulase test? A. S. epidermidis B. S. saprophyticus C. S. aureus D. S. hominis

[Terjawab] Circle the correct answers. 1. (Amoeba / Whale / Dolphin) breathes through its body surface. 2. A baby frog or a tadpole breathes through (air tubes / body surfaces / gills). 3. (Birds / Crabs / Prawns) breathe through lungs.

[Terjawab] Skin cells play an important role in producing what vitamin? A. Vitamin D B. Vitamin B C. Vitamin K D. Vitamin A What epidermal layer consists of a single layer of columnar cells that undergo mitosis? A. Stratum spinosum B. Stratum basale C. Stratum granulosum D. Stratum corneum

[Terjawab] Deconstruct the term into the appropriate elements (root or combining form, or suffix) from each drop-down box. photoreceptor

[Terjawab] Explain why photosynthesis is vital for life.

[Terjawab] Which steps can we take to overcome pollution? Example: 1) Plant more trees 2) Avoid plastic 3) Do not burn waste 4) Use dustbins 5) Keep water sources clean 6) Use bicycle or walk for near distance 7) Reuse and recycle

[Terjawab] A student is preparing for a job interview. The night before the interview, the student is restless and anxious. He has sweaty palms and is experiencing unusual wakefulness. In this scenario, the student's physiological responses can be best attributed to the ______ nervous system. Multiple Choice: - central - somatic - parasympathetic - sympathetic

[Terjawab] What are the major sources of air pollution from marine transportation, and how do they affect human health and the environment?