Cool air rising through warm air
B replaced because it takes place when water dissolves the original hard parts and replaces them with mineral matter.
Answer:
Natural selection is a theory originally popularized by Charles Darwin. According to this theory, animals in the natural environment change over time as beneficial traits are preserved, and traits which do not advance the species are slowly weeded out. Natural selection, a concept first theorized by Charles Darwin, is the adjustment of genes throughout generations based on factors that help it survive. Sometimes this is survival of the fittest or the organisms that are better suited to the environment in other ways.
Explanation:
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The branch of biological science that studies the external and internal structure of the body and the physical relationship among body parts is called ___Anatomy_____.
The answer should be <span>The groups will probably diverge genetically, and speciation may occur.</span>
