What type of structures are Merkel discs, Ruffini endings, and Pacinian corpuscles?
What will be an ideal response?
Answer: mechanoreceptors in the skin responsible for tactile sensations such as touch or touch pressure.
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Answer the question using the accompanying figure. The structure labeled “C” is a modified form of the ____
a. Golgi apparatus b. plasma membrane c. rough endoplasmic reticulum d. smooth endoplasmic reticulum e. nuclear membrane
In Figure 16.1, how many mL is the inspiratory reserve volume?
A) 1700 B) 2200 C) 1300 D) 600 E) 2800
Which of the following is in order from most inclusive to least inclusive?
A) kingdom, phylum, order, class, family, genus, species, domain B) domain, kingdom, phylum, class, order, family, species, genus C) kingdom, domain, class, phylum, family, order, genus, species D) domain, kingdom, phylum, class, order, family, genus, species
Which of the following would be a position held by an adherent of the punctuated equilibrium theory?
A) A new species forms most of its unique features as it comes into existence and then changes little for the duration of its existence. B) One should expect to find many transitional fossils left by organisms in the process of forming new species. C) Given enough time, most existing species will gradually evolve into new species. D) Natural selection is unimportant as a mechanism of evolution. E) Most speciation is anagenetic.