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I need some help answering the following question. Any help would be greatly appreciated: 1. Describe 3 uses of tissue cultures, and identify an ethical and economic issue surrounding the use of tissue cultures. -Thanks

...aquatic life to terrestrial .? I need some help answering the following question. Any help would be greatly appreciated: 1. Fish, amphibians, and reptiles represent the complete transition from an aquatic way of life to a terrestrial one. What important features developed along the way to...

I need some help answering the following question. Any help would be greatly appreciated: 1. Describe 3 uses of tissue cultures, and identify an ethical and economic issue surrounding the use of tissue cultures. -Thanks