Question

1. what is the smallest unit of an organism for it to be classified as living? 4 points a atom b molecule c organ d cell 11. eugene drew the following diagram to describe the levels of structural organization of an animals body. he will list the most specialized level at the top. the level that is least specialized will be at the bottom. which of the following would he list at level 5 on the diagram? 4 points a cell b atom c tissue d organ system 12. which scientist looked at cork under a microscope? 4 points a schleidan b schwann c virchow d hooke 13. which scientist stated that all cells come from pre - existing cells - he was a research physician study cancer cells? 4 points a virchow b leeuwenhoek c hooke d schleiden

Explanation:

1. Cells are the basic unit of life. Atoms and molecules are non - living components that make up cells, and organs are made up of cells and tissues.
2. The levels of structural organization of an animal's body from least specialized to most specialized are: atom, cell, tissue, organ, organ system. So the least specialized (atom) would be at the bottom (level 5).
3. Robert Hooke looked at cork under a microscope and coined the term "cell".
4. Rudolf Virchow stated that all cells come from pre - existing cells.

Answer:

1. D. cell
2. B. atom
3. D. Hooke
4. A. Virchow