Answer:
Atomic Number
Explanation:
The atomic number gives you the number of protons in a given element.
Answer:
Frogs have skulls but don't have necks
Answer:
DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C). The order of these bases is what determines DNA's instructions, or genetic code.
Explanation:
Answer:
C, there is genetic variation within the population
Explanation: