Entomopathogenic nematodes can kill insects because of their symbiosis with
a. fungi.
b. protozoa.
c. bacteria.
d. all of the above.
Answer: C
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Answer the following statements true (T) or false (F)
1. Overall brain size across mammals (e.g., an elephant vs. a bat) is a good predictor of behavioral complexity. 2. Cranial nerves are connected directly to the brain. 3. The somatic nervous system primarily regulates involuntary responses. 4. The sympathetic and parasympathetic divisions of the autonomic nervous system tend to have opposing actions on target organs. 5. A protein synthesis inhibitor would block learning in a human, but would have no effect in a simple invertebrate like Aplysia.
A chromosome that results when the centromere splits in the wrong plane during meiosis, forming identical arms, is a(n)
A) ring chromosome. B) metachromosome. C) parachromosome. D) isochromosome.
In photosynthesis, the light-dependent reactions
a. can take place day or night. b. produce ADP and carbon dioxide. c. are uncoupled from the light-independent reactions. d. lead to carbon fixation. e. produce ATP and energy stored in electron carriers.
Which of the following is not an autotroph?
a. yeast b. oak tree c. cyanobacterium d. algae e. grass