What effect can fertilizer runoff have on an aquatic ecosystem? a. increased plant growth leading to a decrease in fish populations b. increased plant growth leading to an increase in fish populations c. decreased plant growth leading to a decrease in fish populations d. decreased plant growth leading to an increase in fish populations
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Biology, 22.06.2019 04:30
Individuals do not compete directly for resources, but are prey for the same predator
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Biology, 22.06.2019 04:30
Anton created a chart listing different types of materials. which best complete the chart?
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Biology, 22.06.2019 11:10
Look at the photo of the leaf, which term best describes this leaf ? a-simple.b-parallel.c-lobed.d-tooth.
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Biology, 22.06.2019 13:20
Choose the incorrect statement (a) the motor end plate membrane is only capable of generating graded potentials, but it is contiguous with the skeletal muscle sarcolemma, which can generate action potentials. (b) propagation of an action potential through the t-tubules into the sarcoplasmic reticulum triggers the release of ca++ into the cytoplasm of a skeletal muscle fiber. (c) the generation of suprathreshold endplate potentials in multiple muscle fibers could be due to the increased frequency of action potential generation at the axon hillock of a single motor neuron. (d) a greater amount of ach would be found in the presynaptic vesicles of a motor unit that fired several action potentials after exposure to botulinum toxin, than in a motor unit that fired several action potentials after exposure to the venom of the krait snake (which contains ฮฑ-bungarotoxin).
Answers: 2
What effect can fertilizer runoff have on an aquatic ecosystem? a. increased plant growth leading t...
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