An organism that uses energy to produce its own food supply from inorganic compounds is called a(an)

The movements of energy and nutrients through living systems are different because?

what is the original source of almost all the energy in most ecosystems?

all the interconnected feeding relationships in an ecosystem make up a food

green plants are

large ecosystems with the same climate are

the total amount of variety among living things is called

which of the following descriptions about the organization of an ecosystem is correct?

only 10 percent of the energy stored in one organism can be passed on to another organism when its is eaten.the rest of the energy is

which of the following organisms is the most important in the nitrogen cycle?

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