All of the following do NOT depend directly
on sunlight or other inorganic sources for
energy with one exception. Select the
exception
a. producers only
b. consumers and decomposers
c. consumers only
d. decomposers only
e. producers and consumers
B
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Although common in the past, today microbial mats develop ONLY in aquatic environments where
a. sulfide levels are low. b. the temperature is elevated. c. conditions restrict grazing and competition. d. conditions are hypersaline.
What structure is large enough to be seen through a light microscope?
a. Proteins b. Lipids c. Eukaryotic cells d. Viruses e. DNA
Which of the following statements accurately reflects the differences between Batesian mimicry and Müllerian mimicry?
A. In Batesian mimicry the model must behave differently than the mimic; in Müllerian mimicry they behave the same. B. In Batesian mimicry the model must be more dangerous than the mimic; in Müllerian mimicry they are both dangerous. C. Batesian mimicry does not differ from Müllerian mimicry. Two different scientists discovered these two types at the same time, and they disagreed on what to call it. D. Batesian mimicry differs from Müllerian mimicry in that they occur on different continents—Batesian on the North American and Müllerian on the European. E. Batesian mimicry involves invertebrates; Müllerian mimicry involves vertebrates.
The upper layer of warm, less dense water is referred to as the
A) thermocline. B) hypolimnion. C) epilimnion. D) benthic zone.