1. Evolution 2. Levels of organization 3. Regulation4. Structure and function <span>5. </span><span>Unity and diversity </span>
The answer would be enzyme. Enzymes are "catalysts" for bringing about certain chemical reactions.
Answer:
cell walls
Explanation:
only plant cells have cell walls
I don’t think you included the rest of the question but here’s some info about the solar system:
-8 planets
-Sun is center
- everything orbits around the sun ☀️ due to the pull of gravity
- Venus is the hottest planet