2. Before the mini-circles, scientists had been trying to make pluripotent cells using another process, but there were several issues with it. Describe two ways the new mini-circles are an advance over the
previous process.

Where is having brightly colored feathers that attract mates most clearly an adaptation for a bird? a. a forest with dense vegetation b. a sandy beach beside an ocean c. a snowy tundra with little vegetation d. a swamp with many hawks that eat birds