Savant syndrome... They probably have autisn, too - the answer is the aforementioned as it would also encompass autism.
Answer:
1)
Tissues in the intestinal tract made up of loose connective tissues
<em>Mucosa</em>: It playa a role in the secretion of lubricants that lubricate and protect the intestinal wall from digestive enzymes.
<em>Submucosa:</em> It contains nerves, blood vessels and elastic fibers with collagen. It maintains the shape of the intestine by stretching.
<em>Serosa: </em>During digestive movements, it secretes lubricating fluid and prevents from frictional damages.
2)
Accessory digestive organs have common specialized cells, ducts, and secrete digestive hormones to help in digestion.
3)
<em>Acinar </em>cells that secrete and <u>transport enzymes or bicarbonate into the duodenum for the digestion of the food.</u>
<em>Islet cells</em> that secrete insulin or glucagon that <u>increase the glucose level in the blood.</u>
<em>Blood vessels</em> provide<u> oxygen and nutrients for tissue growth and maintenance.</u>
4)
<em>Villi</em> help to <u>absorb digested food.</u>
<em>Smooth muscle</em> <u>moves food through the digestive tract.</u>
<em>Intestinal glands</em> help in <u>digestion and absorption by releasing hormones.</u>
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The changes you might observe in the fossil record that would indicate the occurrence of a mass extinction is the <span>disappearance and subsequent absence of many up till then long-established groups.</span>
Their population will decrease while that of orange-winged butterflies will increase. Therefore the allelic frequency for blue colored wings will be eventually eliminated from the population.
This is because the blue-winged butterflies will be predated more because they are more conspicuous. Most will not produce before they are predated on hence reducing their numbers. The next generations will have more and more of orange-winged butterflies until the blue-winged butterflies no longer exist in the population.