Cell membrane would be the answer. because you said human cell, cellular membrane aka phospholipid bilayer is the answer
Lee Hooke was the scientist that was most likely to study the tadpole cells uner a microscope. So C. is your answer hope this helped!
~Shadow
An ecosystem involves both the biological (plants, animals, human beings) and non-biological (land, water, soil, and atmosphere) community which interacts as a system. More importantly, the living things are very dependent on the abiotic community since it cannot survive by itself. Every animal, plant and human needs the primary physiological needs of water, food and shelter provided by the abiotic system.
When a cold front happens when speaking gusty, there is a sudden drop in temperature, and there is heavy rain. When warm front approaches, The air becomes noticeably warmer and more humid than it was before.
