A pollination syndrome is
A. a brushlike tongue of hummingbirds to which pollen adheres.
B. the synchronous release of pollen by many individuals of wind-pollinated trees.
C. a series of bristles on the backs of insects to which pollen adheres.
D. the simultaneous release of two sperm, one to affect fertilization and the other to initiate formation of endosperm.
E. specializations of plants that attract a specific kind of pollinator.
Answer: E
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What is included in the thermodynamics system?
a. the universe including all of the planets and stars b. an individual organism, isolated even from the air around it c. an ecosystem devoid of living creatures d. the matter and its environment relevant to a particular case of energy transfer
What is the product of transcription?
A. protein B. RNA C. DNA D. genes E. All of the choices are correct.
Proteins that recognize unfolded polypeptides and help them fold into their proper conformations are called ________.
Fill in the blank(s) with the appropriate word(s).
The ability to change phenotype in response to local environmental conditions is called
A) genetic drift. B) mutation. C) alternation of generations. D) phenotypic plasticity.