An energy pyramid is ____
a. a demonstration of the first law of thermodynamics
b. a representation of the decline in available energy as it travels through the trophic levels
c. fundamentally different from the pyramid of biomass and the pyramid of numbers
d. a demonstration of the interactions between species in a community
e. a representation of an ecosystem's diversity
ANSWER: b
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Autoimmunity and autoimmune disease are both most often fatal.
Answer the following statement true (T) or false (F)
Early life most likely evolved where ____ was plentiful
a. lightning b. solar energy c. hydrothermal vents d. geochemical activity e. radioactive decay
What wavelength will chlorophyll a absorb?
a. 490 - 510 b. 400 - 430 c. 640 - 700 d. 580 - 610 e. 450 - 470
________ techniques are based on recreating a microenvironment in the laboratory to promote the growth of a microorganism formerly restricted to a small ecological niche.
A. Enrichment culture B. Fastidious growth C. Community growth D. PCR