Answer: Acetylcholine.
Explanation: Acetylcholine is a neurotransmitter that mediates many sinaptic functions in nervous system. When a motor neuron releases acetylcholine at the neuromuscular junction, it binds to nicotinic receptors in muscular fibers and activates a signal cascade that will free intracellular calcium ions, causing the contraction of the muscular fibers.
Answer:minerals and rocks
Explanation:
Answer 1:
Brushtail possum is an arboreal and nocturnal organism, occupying a wide range of habitat in Australia living in tree, wood land, forest, sleeping day time while active at night.
Answer 2:
This transport was intentional to establish a fur trade. Therefore, this organism was transported from Australia to New Zealand in 1837.
Answer 3:
This organisn acted as a invasive species. The habitat was suitable for reproduction due to optimum environmental condition.
Answer 4:
Brushtail possum feed on a variety of resources like they eat leaves, fruits, nuts, insects etc thus disturb the food chain. Even food litters and small creatures whatever they found were eaten. So it pose a serious threat to ecosystem. dairy and derr farmers noticed that introduction of possum cause bovine tuberculosis in live stock. Their numbers were increased and natural predators of possum were unable to control their population size.
Answer 5:
Possum play dead game. when they see a large animals like human get paralysed for few minutes to an hour.They also have sharp teeth but no evidence was recorded for hurting humans.
Answer 6:
In order to control population of possum one should aply the procedure of strility or intoduce predators into ecosystem to balance the population of possum.
