18. Which statement is TRUE about population? *       A. The population growth in an ecosystem must be higher than carrying capacity.       B. The population growth in an ecosystem should be balance with carrying capacity.       C. Population consists of all organisms inhabiting the area and its physical environment.       D. Both A and B 19. All of the following are the reasons of studying ecology, EXCEPT: *       A. determine the relationship of death rate and migration rate       B. predict future population changes particularly in biodiversity conservation       C. understand the causes of population size changes and growth rates       D. understand how organisms interact with each other and the environment

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Conservation Biology

The study of how to prevent the loss of biological diversity on the planet is called conservation. Biological diversity, also termed biodiversity, consists of various life forms found in a specific location or across the entire planet, including ecosystems, species, populations, and genes. Conservation thus aims to protect the diversity of life at all levels of biological organization.