Answer:
When populations are separated by a barrier forming a new species
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Chloroplasts are organelles specialized for photosynthesis. Animals do not photosynthesize; therefore, they do not need chloroplasts.
Answer:
The following will be different at the North Pole from the way she remembers the sky in Florida:
(1) The celestial equator is on the horizon.
(2) The celestial pole is overhead
(3) The way the stars rise or set.