Biology help

explain two main branches of biology. just a brief explanation. not more than 50 words. Make it in 20 minutes. thanks. no format. no references.

explain two main branches of biology. just a brief explanation. not more than 50 words. Make it in 20 minutes. thanks. no format. no references.

explain two main branches of biology. just a brief explanation. not more than 50 words. Make it in 20 minutes. thanks. no format. no references.

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