Which statement about ecological organization is correct? O An organism is part of a community.
O A community is part of a population.
O An ecosystem is made up of organisms only
O Biosphere is a part of the ecosystem
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What is hydroelectric power produced by?

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

Which of the following is an advantage of using embryonic stem cells in medical research? a. the use of embryonic stem cells is much less expensive than the use of adult stem cells. o b. no living tissue is damaged when scientists use embryonic stem cells. o c. embryonic stem cells are able to differentiate into a wider range of cells than adult stem cells. d. there is no controversy surrounding the use of embryonic stem cells.