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The proof that cells only come from other cells
He proved it by his "swan-necked flasks" in which nothing formed in sealed flask whereas many organisms were there in open flask.
So, in short, option D is your final answer!
Hope this helps!
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1. the digestive system breaks down food and take the nutrients your body needs
Answer:
Advanced Placement Biology is an Advanced Placement biology course and exam offered by the College Board in the United States.
Explanation:
hope this helps❤️
density, it's a mass per unit volume
B is the correct answer because all the classes are hierarchy’s in a sense
