3: B Nervous system. 4: A Sensing and responding to its external environment.
Pretty sure the answer is A
A magnifying glass (called a hand lens in laboratory contexts) is a convex lens thatis bigto produce a magnified image of an object. The lens is usually mounted in a frame with a handle
Explanation:
<em>ribosomes </em><em>are </em><em>structures in plant which build protein molecules under the control of nucleus</em><em>.</em><em>.</em><em>.</em>
