There are 4 valence electrons in an atom of carbon. Carbon is in group 4A of the periodic table. There are 6 electrons in a carbon atom but only 4 of them are valence. carbon can never form more than 4 bonds and is unhappy with less than 4.
The options that are incorrect are A) representation of a complete set of a cell's polypeptides, B) the complete set of an organism's polypeptides, C) the complete set of a species' polypeptides, and D) karyotype, which makes E) the complete set of an organism's genes the correct answer to what defines a genome.
Answer:
For APEX: A decline in the native species of beetle.
Explanation:
