4. If a plant cell and an animal cell are observed under a microscope, what features of the cells enable you to identify the cell as a plant cell?

5. Explain why the skin is an organ and not a tissue. Give one example of another organ. Predict the condition of a human if he loses that organ.



Answer :

Final answer:

Plant cells have a unique cell wall made of cellulose. Skin is an organ composed of various tissues working together. The heart is a vital organ essential for survival.


Explanation:

Plant cells can be identified by the presence of a cell wall made of cellulose, which is unique to plants. This structure provides support and protection to the plant cell.

The skin is considered an organ because it is composed of multiple types of tissues working together to perform specific functions. An example of an organ is the heart. If a human loses the heart, they would not survive as it is a vital organ responsible for pumping blood and supplying oxygen to the body.


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