Answer:
Until recently, most neuroscientists thought we were born with all the ... Why did these bird brains add neurons at such a critical time in ... The central nervous system (which includes the brain and spinal cord) is made ... An early progenitor cell does not have the potential of a stem cell to make many different ...
Explanation:
People just don't care anymore about what they do.
D. Tropical rain forest
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Answer:
I think it would be biosphere
Explanation:
Bio means of life or living things. Birds fly through the atmosphere, water flows through the soil and the dogs drink the water
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