The regulation of body temperature by internal metabolism is called ectothermy
Indicate whether the statement is true or false
FALSE
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What feature is common to all cells?
a. Plasma membrane b. Chloroplast c. Nucleus d. Flagella e. Mitochondria
In rabbits, four alleles exist for the c gene. The wild-type version, C+C+, is expressed as brown fur. The chinchilla phenotype, cchcch, is expressed as black-tipped white fur. The Himalayan phenotype, chch, has black fur on the extremities and white fur elsewhere. Finally, the albino, or “colorless” phenotype, cc, is expressed as white fur. This is an example of which type of inheritance?
a. codominance b. multiple mutations c. multiple alleles d. recessive lethal
Long-lasting pesticides such as DDT
a. are target-specific. b. are the most effective control over pests. c. build up in concentration as they pass through a food chain. d. break down after the organism that receives the pesticide dies. e. are used only for termite control.
Sewage sludge, the solid that remains after aerobic decomposition, makes a useful fertilizer because
A. it contains significant energy in the form of methane. B. it has been treated to remove microbes and will not be a source of pathogens. C. it is rich in nitrogen, phosphorus, and potassium. D. it is rich in carbon and nitrogen.