Answer:
A. Increased sympathetic responses
Explanation:
It results from an obstruction in the retake of NE to the nerve terminal which causes more NE to accumulates in the synapse which leads to further production of the adrenergic receptors on the tissue membrane has produced by the neuron.
This adrenergic receptors act in response to signals released by sympathetic nervous system causing an increased sympathetic response.
Nyctalopia
Nyctalopia is the condition of night blindness characterized
by inability to see clearly at night or in dim light and the ability to see
clearly in the day. Deficiency of vitamin A leads to nyctalopia. Other possible
causes of Nyctalopia include myopia, cataract, retinitis pigmentosa and some glaucoma
medications.
Answer:
Larger islands that are large and close to the mainland are shos lower rate of extinction due to the fact that the species present have more space so there will be more resources available in comparison to smaller islands where limited space and limited resources available.
Extinction is greater on islands isolated due to the unlikelihood of immigration and as it is opposite to the island close to the mainland and competition is more in isolated islands.
