Answer:
a.
c.
Explanation:
Lesch Nyhan syndrome is characterized by behavioral and neurological abnormalities, and excess uric acid production in the body. It occurs in males, almost exclusively.
Changes (mutations) in the HPRT1 gene causes Lesch Nyhan syndrome and is inherited in a recessive X-linked way. Several symptoms of Lesch Nyhan syndrome are Inflammatory arthritis (gout), involuntary movements, self-injury and kidney stones.
Hence, the correct option are a. and c.
Well, there's producers and consumers. There is also one provider that is the main source of energy for all living things which is the sun. The sun provides sunlight for the producers to make their own food through photosynthesis then consumers come and eat the producers(plants) and that gives them energy. And then predators come and eat that animal and that provides their energy.
Answer:
The correct answer is "C. Cave fish have evolved degenerated eyes because they have no use for vision in dark, underwater caves."
Explanation:
All of these statements about organism adaptation to its environment are true, but the real reason why cave-fish are blind is not because there's no use for their eyes in the dark, but because being blind saves them energy, as using one's vision requires the activity of photoreceptive cells and neurons, and underground caves are lacking in both food and oxygen.
The answer is B , i hope this helps
Answer:
4. p.complement system c.saliva b.sneezing