If skull joints could move terrible thing s could happen such as a breakage to a bone hope this helps :)
Light is an example of an abiotic factor. It is also the major energy source.
Adaptation
Adaption is the biological process by nature of fitting an organism to its environment.
The finches on the different islands share the same ancestral population that migrated to the Galapagos Islands. However, due to the different environmental conditions on the different islands, the population adapted variably to enable them survive on their respective islands.
Explanation:
Adaptation occurs by natural selection pressures on a population. The individuals with desired traits are more likely to reach maturity and pass down their genes the next generation (due to competition for resources). Therefore, over generation, there will be more and more individuals with these desired traits and fewer and fewer with undesirable traits. The population, therefore, evolves with time. In the case of the Finches this is called divergent evolution/radiation.
Learn More:
For more on adaptation check out;
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That is true. Active transport goes against the concentration gradient. Particles want to move from higher concentration to lower concentration and even out, but active transport makes them move against that.