The domain Archaea includes bacteria that live in extreme environments as well as the viruses.
Answer the following statement true (T) or false (F)
False
Viruses are excluded from domain Archaea.
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In some rocky intertidal habitats, the barnacle Chthamalus can survive across the same depths as can the barnacle Balanus
However, where the two occur together, Chthamalus adults are found only in the more stressful upper portions of the habitat where they are more prone to desiccation. This is an example of: A. the mutualistic form of symbiosis. B. intraspecific competition reducing the size of Chthamalus' fundamental niche to a smaller realized niche. C. mutualism reducing the size of Balanus' realized niche to a smaller fundamental niche. D. competitive exclusion reducing the size of Chthamalus' fundamental niche to a smaller realized niche. E. competitive exclusion expanding the size of Balanus' realized niche to a larger fundamental niche.
As levels of body fat increase, leptin levels __________ and appetite is __________
a. increase; suppressed b. increase; stimulated c. decrease; stimulated d. decrease; suppressed
An air temperature rise of 10?C will typically ____ evaporation from leaves
a. completely eliminate b. double the rate of c. mostly eliminate d. triple the rate of e. quadruple the rate of
The current rate of extinctions is about ____ times faster than normal
a. 10 b. 100 c. 1000 d. 100,000 e. 1,000,000