The evidence would be all the different types of species
3: B Nervous system. 4: A Sensing and responding to its external environment.
Answer: Shared
Explanation: A covalent bond involves electrons being shared between atoms.
Answer:
cell wall
Explanation:
plant cells have a cell wall and animals do not
<span>A person must inherit two copies of a defective CF gene -- one copy from each parent -- to have the disease. People who inherit only one copy are considered CF carriers and do not have the disease, but they can pass their copy of the defective gene on to their children.</span>
