Energy flow in an ecosystem begins with
A. autotrophs.
B. detritivores.
C. carnivores.
D. omnivores.
E. herbivores.
Answer: A
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One application of knowledge of when flowering occurs is related to:
A. pollen allergy reactions B. how much water the plant is receiving C. how often to expect plants to flower D. temperature relationships E. when to expect insects to be more abundant
Darwin's book in which he described his views on evolution is:
A. Principles of Geology. B. Survival of the Fittest. C. On the Origin of Species. D. On the Principle of Population.
In essentially all organisms, the AUG codon codes for:a
the initiation of translation. b. the termination of transcription. c. the termination of chain elongation. d. the amino acid valine. e. a termination tRNA molecule
Amphibian eggs have large amounts of yolk at the ____ pole, and most metabolism takes place at the ____ pole
a. animal; vegetal b. animal; animal c. vegetal; vegetal d. vegetal; animal e. totipotent; telolecithal