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MAXImum [283]
3 years ago
5

Many though not all mollusks have a shell. what secretes the shell

Biology
1 answer:
sashaice [31]3 years ago
6 0

Mantle

In mollusks with shells, the outer cells of the mantle secrete calcium carbonate and conchiolin to form the shell. The mantle is the body wall of a mollusk. It resides below the shell where it covers the body of the animal.






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3 years ago
Read 2 more answers
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b. making an observation and asking a question

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3 years ago
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3 0
2 years ago
In some species of Drosophila, there are genes on the Y chromosome that are not on the X chromosome. Imagine that a new allele a
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True

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However, the Y chromosome is important for males as they are involved in the formation of the sperms therefore the presence of Y is important. In the given question if the allele is present ion the Y chromosome which can reduce the size therefore the allele is passed on to the males only ans no females.

Thus, true is the correct answer.

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3 0
4 years ago
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