In a neural circuit with convergence that only involves excitatory synapses, the firing rate of the postsynaptic neuron as the number of receptors stimulated increases.

All but one describes an effect of aging on the digestive system. a) decreased acid secretion b) decreased elasticity of stomach c) capacity to resist damage decreases d) food remains in stomach for less time

Is a measure of the different types of organisms in a community. question options: tertiary secondary primary none of the above

Select the correct answer from each drop-down menu. which phase of mitotic division is the highlighted cell undergoing? the cell is undergoing , which is the stage before .