The is the coldest layer of the atmosphere.
a.
troposphere
b.
stratosphere
c.
mesosphere
d.
thermosphere

Consider an organism that is eukaryotic, found in both unicellular and multicellular forms, may resemble a plant but is not photosynthetic, has chitin in its cell walls, and absorbs organic nutrients from decomposing material in the environment. this organism would be classified as which of the following types of organisms? a. fungib. protozoac. bacteriad. archaea

How does human environment effect the biosphere

What is usually (but not always) related to the metabolic processes of living organisms in its organic form?