Scientists use several methods to determine the proximity between species. Two of those methods may be an anatomical comparison, by examining the skeleton structure of two species, and DNA composition comparison, by comparison of genes, or specific parts of the DNA, that allow establishing the relative distance between species.
Rapid consumption of alcohol in a very short period of time is very dangerous; due to delayed absorption the drinker will not know how really drunk he is and intoxication from that kind of drinking can last for days and even weeks.
Besides, such drinking pattern may make the whole body system to collapse causing death. Such drinking may also lead to alcohol induced psychiatric disorder.
The answer should be D.
Hope this helps!
Answer and Explanation:
Pain receptors are stimulated in the skin generating an impulse. The impulse is conducted by the sensory neuron to the spinal cord. The neuron conveys the impulse to the CNS where it makes synaptic neuron connect with the motor neuron. The motor neuron conveys the impulse to the muscles of the leg. Contraction of the muscle results in withdrawal of the leg from the nail.
Animals with digestive tracts rely on extracellular digestion to break down food. You can remember this by extracellular meaning outside the cell, so because the stomach of the animal isn't a single cell, it's extracellular. Hope this helps!
Side note: Intracellular digestion happens inside the cell (Hence the name), in the cytoplasm
