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Select the correct answer. which term do biologists use to describe the average number of individuals of a species per unit area? a. carrying capacity b. population density c. minimal viable population d. survivability curve
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How are fungi more like an animal? they have a cell wall. they are heterotrophs that absorb their food. they produce seeds and have membrane-bound nucleus. they use sunlight for photosynthesis.
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When the body has a weakened immune system, the production of antibodies is increased.
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1. beginning with all chambers of the heart in the "relaxed" phase, describe the cardiac cycle in mammals, with systole and diastole of the atria and ventricles. for each time point in the cycle you select, state the following: β’ whether the atria and ventricles are contracting or relaxing β’ whether the av valves and semilunar valves are closed or open β’ whether the pressure in the atria and ventricles is high or low
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What are the effects of adrenaline...
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