What information is used to calculate the age-specific fertility rate, mx?
A. net reproductive rate
B. total number of offspring born to females of reproductive age
C. per capita growth rate
D. proportion of female offspring born to females of reproductive age
E. age at first reproduction
D. proportion of female offspring born to females of reproductive age
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What are the primary regulator units that control endospore formation?
A) allosteric proteins B) antisense RNAs C) riboswitches D) sigma factors
Energy captured during the "photo" part of photosynthesis is stored ________________ during the "synthesis" part of the process
A. as high energy electrons B. in carbon atoms C. in covalent bonds D. a and c E. b and c
Reactions that break down food sources to fuel the energy needs of a cell are called anabolic, whereas those that result in net energy storage are called catabolic
A. true B. false
Answer the following statements true (T) or false (F)
1. The North American Mohave desert is located on the downwind side of the Sierra Nevada mountain range, which creates a rain shadow. 2. The abyssal zone has the highest productivity and biodiversity in the ocean, partially because it is well-oxygenated and stable in temperature. 3. Humans were largely unaware of the medicinal use of many plants until the advent of modern pharmaceutical science. 4. Scientists have already observed significant range shifts as a result of climate change. 5. Political and economic pressures typically make habitat preserves larger, making it easier to set aside areas large enough to maintain biodiversity.