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vichka [17]
3 years ago
11

Define symbiotic relationship? Write any two examples of symbiotic association found in nature.

Biology
1 answer:
Charra [1.4K]3 years ago
6 0

Answer: Symbiosis is an evolutionary adaption in which two species interact in ways that are often related to the survival of one or both participants. The three basic types of are mutualism, commensalism and parasitism.

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How do neurons communicate? place in order the sequence of events that occurs when a neuron fires?
monitta

Answer;

-Dendrites receive chemical signals.

-When more excitatory than inhibitory signals are received, the cell depolarizes.

-An action potential is set off and travels through the cell and down the axon.

-The action potential excites the terminal buttons to release their chemicals into the synaptic cleft.

Explanation;

-The electrical signal that passes along the axon and subsequently causes the release of chemicals from the terminal buttons

. Chemical signals (excitatory and inhibitory signals.

-Positive sodium pours into the breach, Action potential propagates along the axon, after firing returns to its slightly negative resting state.

-An action potential can be generated if the amount of excitatory input can raise the membrane potential to -55 mV. This then floods the cell with sodium ions and raises the membrane potential. When it reaches a certain point (about +30 mV), the sodium ion channels close and the potassium ion channels open. This drops the membrane potential back down.

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Answer:

Nose

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Explanation:

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