The concept of niche is best described as ________
a. a population's specific requirements for food
b. all the biological and physical activities and interactions necessary for survival and reproduction
c. the total number of animals in the population whose needs are met
d. the condition occurring when the birth rate and death rate are equal
b
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Most land-dwelling invertebrates and all of the amphibians _____
A) are ectothermic organisms with variable body temperatures B) alter their metabolic rates to maintain a constant body temperature of 37 °C C) have a net loss of heat across a moist body surface, even in direct sun D) are endotherms but become thermoconformers when they are in water E) become more active when environmental temperatures drop below 15 °C
Which of the following recognizes response elements, control elements, and regulatory elements?
A. General transcription factors B. Regulatory transcription factors C. Mediator D. Transactivation domains
In Furman v. Georgia (1972), the Supreme Court ruled that ______.
A. gay people did not have a right to privacy concerning their sexual behavior B. the death penalty was cruel and unusual punishment C. segregated schools were unconstitutional D. the bad tendency test was too restrictive of free speech
MHC genes are significant genetic factors in predisposition to develop autoimmune disease
Indicate whether the statement is true or false