An increase in the biodiversity of an ecosystem leads to an increase in its productivity.
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When a person is exercising the body needs to deliver increased amounts of oxygen to the muscles which component of blood ensures that the muscles will receive it

Many organizations release indexes used to measure the development of the world's countries. as we learned in this lesson, these indexes measure many factors, from life expectancy to happiness. in your opinion, what are the three most important factors we can use to determine how developed a country might be? explain your answers in a few sentences.

28. how many linkage groups will be formed by homogametic organism with 28 chromosomes?