D)Oxygen diffuses from alveolar sacs to blood in capillaries
<span>In order for individuals best suited for growth and reproduction in a particular environment to contribute disproportionately to the next generation natural selection must take place. Natural selection is one of the basic mechanism of evolution. This mechanism leads</span> to adaptations and adaptations contribute to survival and reproduction.
The answer would be the species’ niche. A niche includes all the interactions of a species.
Answer:
everyone thinks that ginger is root but actually it is a underground steam.