Which receptors are thought to be the most numerous and active in the body?
a. proprioceptors
b. nociceptors
c. chemoreceptors
d. mechanoreceptors
e. electroreceptors
a
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Which of the following statements best describes the effect of climate on biome distribution?
A) Average annual temperature and precipitation are sufficient to predict which biome will be found in an area. B) Seasonal fluctuation of temperature is not a limiting factor in biome distribution if areas have the same annual temperature and precipitation means. C) The average climate and pattern of climate are important in determining biome distribution. D) Temperate forests and grasslands are different biomes because they receive a different quality and quantity of sunlight, even though they have essentially the same annual temperature and precipitation. E) Correlation of climate with biome distribution is sufficient to determine the cause of biome patterns.
Optimal recovery and identification of anaerobic bacteria in clinical specimens occurs when:
a. the initial incubation period is at 35°C to 37°C for 48 hours. b. plates are incubated for at least 3 days before discarding as negative. c. the initial incubation period is at 35°C to 37°C for 24 hours. d. thioglycollate broth can be inspected daily for 3 days.
The distinct layers of stratified lichen are organized with the photosynthetic species ________
a. sandwiched between layers of fungi b. against the rock or other substrate the lichen is growing upon c. growing beside, but in contact with, the fungus d. on the outside
Members of the Euglenozoa move within their habitats with the aid of
A. flagella. B. tests. C. cilia. D. pseudopodia. E. pellicles.