Answer:
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Answer:
1.Energy unidirectionally flows through an ecosystem, whereas matter generally cycles within an ecosystem.
Explanation:
In an ecosystem, energy from the organisms of one trophic level to that of next occurs by the process of feeding. The flow of energy follows a unidirectional path which means that energy from producers is carried to the primary consumers, secondary consumers and so on. It does not flow in reverse direction (from consumers to producers).
On the other hand, matter such as carbon, nitrogen, phosphorus, etc. are cycled via various biogeochemical cycles. For instance, plants intake carbon from the air in the form of CO2 and form organic nutrients. These organic nutrients carry the carbon from plants to herbivores and then to the consumers of higher trophic levels. However, when plants and consumers die, the carbon present in their tissues is decomposed and is released back to the surroundings. In this way, the carbon cycle cycles carbon in an ecosystem.
Answer: A statement of the student that indicates the need for further teaching is
“Health disparities cannot affect population groups based on socioeconomic status.”
Explanation:
A student with a sound grasp of health disparities should know these exist between men and women. Besides the fact that adult women use health care services more than men do and that women are less likely to receive procedures for cardiovascular diseases than men.