Multicellular organisms are made up of different types of differentiated cells. Given that all cells in an organism have the same DNA—and thus the same genes—explain how it is that different genes can be expressed only in certain types of cells.

The finches on the galapagos island were similar in form except for variations of their beaks. darwin observed that these variations were useful for: attracting a mate defending territory building nests gathering food

What are they five steps of cloning?

Which statement describes characteristics of planarians? a they live in oceans, are parasites, and reproduce only sexually. b they live in fresh water, are parasites, and reproduce only asexually. c they live in oceans, are free living, and reproduce sexually and asexually. d they live in fresh water, are free living, and reproduce sexually and asexually.