In a hypothetical situation: a bacterium lives on the surface of a leaf, where it obtains nutrition from the leaf's nonliving, waxy covering (cuticle) while inhibiting the growth of plant pathogens. If this bacterium gains access to the inside of a leaf, however, it causes disease, harming the plant. If the plant dies, the bacterium and its offspring will decompose the plant. What is the correct sequence of ecological roles played by the bacterium in the situation described above? 1. Nutrient recycler 2. Mutualist 3. Host 4. Pathogenic parasite A. Sequence: 2, 3, 4 B. Sequence: 4, 2, 1 C. Sequence: 1, 2, 4 D. Sequence: 2, 4, 1
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Biology, 21.06.2019 19:00
Imagine that a mouse has white fur because of a mutation in its dna. which of the following conclusions can be drawn
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Why do carbohydrate molecules function so well as fuel for the body?
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Biology, 21.06.2019 23:00
The circles, or orbits, for electrons are called energy levels. each level can hold only a certain number of electrons. add electrons to each level until you can't add any more. how many electrons can each level hold?
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Biology, 22.06.2019 04:00
Aperson is outside exercising. body temperature begins to rise, and the person starts to sweat. their body temperature then returns to normal, and the body stops sweating. a positive b negative c allosteric d homeopathic
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In a hypothetical situation: a bacterium lives on the surface of a leaf, where it obtains nutrition...
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