Answer:
Carbon dioxide dissolve readily in sea water hence makes it high in carbonic acid concentration. The fresh water will dilute the concentration of carbonic acid thus preventing the crab from being exposed to high concentrations which can dissolve its shell.
<em>Hope</em><em> this</em><em> helps</em><em> </em><em>!</em>
A reading frame consists of groups of 3 bases that each code for one amino acid<span>. A frameshift mutation shifts the grouping of these bases and changes the code for amino acids. The resulting protein is usually nonfunctional. Insertions, deletions, and duplications can all be frameshift mutations.
Hope this helps.</span>
All fungi are eukaryotic.
the answer you put is right
Answer: Fossils of limb structures provide evidence that ancient and modern tetrapods are related because it backs up the fact that both ancient and modern tetrapods follow the one bone two bone many bone digit pattern. It suggests to how modern and ancient tetrapods have the ancestry which come from early tetrapods.
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