1.<span>is usually multicellular
2.</span><span>contains a nucleus
4.</span><span>contains membrane-bound organelles
3 does not get selected, it is incorrect. </span>
Amphibians is the only correct answer
Answer:
In the human body, cells are the basic units of life. Groups of cells working together for a specific function form tissues. Organs are two or more tissues operating together. Even separate organs work together, forming body systems.