Which is NOT a reason that insomnia tends to increase with age?
-older individuals need more sleep than younger adults, so this increased need can lead to more sleep problems
-older individuals may be less psychically or socially active
-chronic pain issues increase
-related issues such as sleep apnea and restless leg syndrome become more common with age
older individuals need more sleep than younger adults, so this increased need can lead to more sleep problems
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Atmospheric O2 is actually a waste product of photosynthesis
Indicate whether the statement is true or false.
The concept of developmental constraint may be defined as ________
A) the sudden appearance of new phenotypes B) homoplasy that results from the same underlying developmental mechanism C) phenotypic similarity due to descent from a common ancestor D) a bias toward certain kinds of variation in phenotype E) the fact that all animals develop using the same "toolkit" of Hox genes
As human civilization spread around the world, there were species that benefited greatly from new human-made habitats. However, generally with the expansion of human populations and agriculture,
A. there has been an increase in biological diversity. B. biological diversity levels drop dramatically. C. levels of biological diversity have remained the same, with human-associated organisms replacing the few natural species displaced. D. biological diversity has decreased for a short time, rebounding to higher levels relatively quickly.
One set of standardized biochemical tests that are often used to identify gram negative bacilli is the IMVIC reactions. What tests are included in the IMVIC set of reactions?
a. isolation b. indole test c. Voges-Proskauer test d. cytochrome oxidase test e. methyl red test f. maltose fermentation g. citrate utilization