The key feature is cell wall. Only plants contain cells with cell wall. The plant cell wall is composed of cellulose. Cellulose is a structural carbohydrate and is considered a complex sugar because it is used in both protection and structure. The plant cell wall consists of three layers with each layer containing its own unique structure and function.
About 1 billion according to the photo
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The cake layer metaphor refers to what kind of dating. whether they ate plants or other animals. What does fossilized teeth tell us about extinct animals. life. Fossils are the traces or remains of any ancient.
hope this helps.
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<em>Only one process involves sperm and eggs</em>
Answer: THAT IS SO LONGGGGGGG WE CANT DO IT BUT GOOD LUCK!!!!!!!!!!!1
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