Answer:
Stimulus is the cause or change in an organism's surroundings that causes it to response .. response is the result of the stimulus on the organism.
Explanation:
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The correct statement regarding a chemical synapse is sodium ions enter the axon terminal to signal release of neurotransmitters i.e., option B.
<h3>What is chemical synapse?</h3>
Chemical synapses are links created by two neurons or a neuron and a non-neuronal cell (muscle cell, glandular cell, sensory cell).
The synaptic complex is the basic non-reducible unit of each chemical synapse, representing the bare minimum for efficient chemical synaptic transmission.
The correct statement regarding a chemical synapse is sodium ions enter the axon terminal to signal release of neurotransmitters.
Thus, the correct option is B.
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Electronic transport chain
Nitrogen.
Plants cannot use atmospheric nitrogen directly. Nitrogen from the air must be converted into the different form so plants can absorb it. Thus plants need nitrogen-fixing bacteria to convert atmospheric nitrogen into ammonium, which is available for plants to absorb it.
Answer:
850
Explanation:
rate of population increase = birthrate - death rate + immigration - emigration
= 1400 - 600 + 100 - 50 = 850
