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Text me I can helping really good at them and there easy once you get the hang of it
Answer:
b. False
Explanation:
Most mollusks, except for some particular cephalopos like skids, have an open circulatory system in which the circulating fluid (called hemolymph) flows through the body thanks to muscle contractions that pump this fluid into a hemolymph vessel that discharges this fluid into the body cavity allowing substances and gases to be exchanges between body cells and the carrying hemolymph. Then this fluid goes back to the blood vessel and reinitiates the circulation.
Answer:
It can and cannot be.
What is rickets?
Rickets is a bone-related disorder caused by the deficit of vitamin-D, phosphate or calcium.
How can you inherit rickets?
1. When a mother has traces of the rickets disease, the offspring can indeed have the same traces as the mother.
2. In the other hand, there is a type of rickets, the [hereditary] hypophosphatemic rickets (low phosphate levels and resistance to vitamin-D treatments), that does indeed have an inheritance pattern, according to the Genetics Home Reference.
2.1 There is a gene called PHEX that is found in the x-chromosome, and, when a mutation of this gene occurs, it can cause the so called hereditary hypophosphatemic rickets.
Hope it helped,
BiologiaMagister