Explain the following statement: Nearly all life on Earth ultimately depends on the sun for energy
What will be an ideal response?
ANSWER: Photosynthetic organisms convert light energy into chemical energy. While the
photosynthetic organisms use this chemical energy to drive their own cellular processes,
other organisms consume plants (or consume the herbivores that consumed the plants) to
acquire chemical energy. Through this process, nearly all organisms on Earth can trace their
energy back to the original photosynthetic process, which was dependent on sunlight.
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Unless a derived character state is lost or replaced by newer characters over evolutionary time, ____ can serve as
markers for ____ lineages that underwent adaptive radiation.
a. apomorphies; polyphyletic b. apomorphies; paraphyletic c. synapomorphies; monophyletic d. synapomorphies; polyphyletic e. synapomorphies; paraphyletic
Selective permeability of the cell membrane is controlled by
a. kinetic energy. b. lipids. c. proteins. d. lipids and proteins. e. electrolytes.
Because Lesch—Nyhan syndrome is a recessive X-linked disease, females who have an allele with the mutation responsible for this disease are generally symptom-free
Indicate whether the statement is true or false
Gross primary productivity is the rate of photosynthesis minus the rate of plant respiration
____________________ Indicate whether the statement is true or false.