Try to analyze the similarities and differences between a peach tree and a cow in body structure.

Answer: Similarity: All come from the division and differentiation of fertilized eggs. Cells constitute tissues, and different tissues constitute organs. Difference: Peach trees constitute body tissues, including mechanical tissues, protective tissues, transportation tissues and nutritional tissues. Without a system, organs directly constitute plants. The body tissues of cattle include epithelial tissue, muscle tissue, nerve tissue and connective tissue, and there are eight systems that constitute the animal body.

So the answer is: