The excretory structures of terrestrial arthropods are slender projections from the digestive tract that are attached at the junction of the midgut and hindgut. These are called
A. flame cells.
B. kidneys and bladders.
C. Malpighian tubules.
D. nephridia.
E. ocelli.
C. Malpighian tubules.
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The binomial system of nomenclature assigns each organism a scientific name consisting of
A. genus and species. B. kingdom and species. C. kingdom and genus. D. species and strain.
According to the intermediate disturbance hypothesis, species richness is greatest in communities that experience
____.
a. rare moderate disturbances b. high temperatures c. frequent severe disturbances d. frequent moderate disturbances e. rare intense disturbances
During the first emergence of life, the atmosphere was ____.
A. high in oxygen, high in carbon dioxide B. high in hydrogen, low in oxygen C. changing from anaerobic to aerobic D. aerobic E. high in oxygen, low in carbon dioxide
Which is a result of severely restricting calories to lose weight?
A) a successful weight management outcome B) the body slowing its metabolism to conserve energy C) the body increasing its metabolic rate to burn more fat D) a loss of body fat only