<span>A fossil leaf that is made only of carbon preserved between two rock layers is called carbon film fossil.
</span>Characteristic of the carbon film fossils is that they are primarily composed of carbon. The fossil leaf has usually lost <span>internal components (cell walls and internal cell structures ).</span>
they are all used as energy for a cell.
<span>Tissues are integrated groups of cells with a common structure and function. DNA determines the inherited structure of a cell's proteins. DNA also forms chromosomes. Chromosomes make up genes. Genes code for proteins. </span>
Answer: Artificial selection appeals to humans since it is faster than natural selection and allows humans to mold organisms to their needs. Like many animals kept in human captivity, mating pairs of pigeons are often paired together based on their genetics to achieve the most desirable traits in their offspring.
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Answer: skeletal system. When the hilum of the kidney faces anteriorly, posteriorly, or laterally instead of medially, it is called. a malrotated kidney.
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