Modifications of previous behavior based on experience represent
A. learning.
B. fixed action.
C. stimulus response.
D. adaptations.
E. learning and adaptations.
A. learning.
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The metabolic diversity of photosynthetic bacteria stems from different
A) bacteriochlorophylls and pigments they contain. B) chlorophylls they can have and organic compounds they can produce. C) light-harvesting complexes, electron donors, and organic compounds they produce. D) unrelated taxa capable of photosynthesis.
The TCA cycle produces
A. ATP through substrate-level phosphorylation. B. NADH. C. FADH2. D. precursor metabolites. E. All of the choices are correct.
Answer the following statements true (T) or false (F)
1.The type of animal behavior that is inborn and does not require experience or learning to be performed correctly is innate behavior. 2.Imprinting is a kind of rapid learning that occurs only during a restricted time, early in the life of an animal. 3.In almost all cases, innate and learned behaviors are determined by both genetics and environment. 4.The scientific study of animal behavior is ethology. 5.If an individual reduces its own fitness for the survival of and reproduction of nondescendant relatives is termed kin selection.
In June 2001 an announcement was made that a draft sequence of the ____________________ nucleotides in the
human genome had been finished. a. 350 million b. 990 million c. 1.1 billion d. 3.2 billion e. 56 billion