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Alla [95]
3 years ago
9

Photosynthesis is the main method by which primary production takes place in an ecosystem. What abiotic factor is a beneficial b

y-product of primary production?
Biology
1 answer:
hammer [34]3 years ago
7 0

Answer:

oxygen (O2)

Explanation:

During photosynthesis carbon dioxide(CO2) and water (H2O) react with help of the sunlight and produce glucose (main product) and oxygen(O2 ), which is by-product and abiotic factor. O2 is needed for all animals and plants to breathe.

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Answer:

The addition and response to the net effect of postsynaptic potentials is called Spatial summation

Explanation:

Signal summation occurs when impulses received by a neuron are eummed together to reach the excitation threshold to fire a neuron. It occurs at the axon hillock of a neuron. Signal summation occurs since each neuron is connected to many other neurons, often receiving multiple impulses from them, both excitatory and inhibitory.

Signal summation can either be temporal or spatial.

Temporal summation, occurs when impulses received at the same place on the neuron in close temporal succession add up to initiate an action potential in the neuron.

Spatial summation occurs when impulses received simultaneously at different places on the neuron add up to initiate an action potential in the neuron.

8 0
3 years ago
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Explanation:

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Which of the following forms of energy transfer can occur in a vacuum?
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