Which condition is a biotic factor of an aquarium ecosystem?
algae growing on the glass
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Biology, 23.05.2021 09:10 itsyagirlbella
Which condition is a biotic factor of an aquarium ecosystem?
algae growing on the glass
amount of oxygen in the water
temperature of the water
gravel on the bottom of the aquarium
Answers: 1
Biology, 21.06.2019 16:10
Explain why in any given geographical region, women tend to have lighter skins( by 3-4% on average) than men?
Answers: 1
Biology, 22.06.2019 07:00
8) animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. d) a dog is getting hot in the sunlight, so he moves to a shaded area.
Answers: 3
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Membrane vesicles containing an internal sodium chloride (nacl) concentration of 0.14 m are placed into separate beakers each containing a different solution. the first beaker contains 0.14 m sucrose, while the second beaker contains 0.14 m calcium chloride (cacl2). the temperature is 25°c. what is the solute potential inside the vesicles, expressed in units of mpa?
Answers: 2
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