What substance will displace the cupula during rotational equilibrium?
Select one:
a. fluid within the semicircular canal
b. fluid within the utricle
c. the otoliths within the semicircular canal
d. the otoliths within the vestibule
e. fluid within the auditory tube
a. fluid within the semicircular canal
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Every species has a unique two-word name called the
A. scientific name. B. genus. C. phylogeny. D. evolutionary tree. E. clade.
Based on the chart, which of the following would be the most reasonable plan for the students to follow?
(A) Searching horizontal rock layers in any class of rock and trying to find those that contain the greatest number of fossils (B) Collecting fossils from rock layers deposited prior to the Permian period that contain some early vertebrate bones (C) Looking in sedimentary layers next to bodies of water in order to find marine fossils of bivalves and trilobites (D) Using relative dating techniques to determine the geological ages of the fossils found so they can calculate the rate of speciation of early organisms
Treponema pallidum is the organism that causes syphilis, a sexually transmitted disease. This organism moves around freely, making it well adapted to traveling within bodily fluids and being spread from host to host during intimate contact
It possesses a single chromosome and has relatively few genes. The overall shape of this single-celled organism is similar to a corkscrew, with many twists and turns along its length. Based on this information, Treponema is most likely what type of cell? A) A prokaryotic spirillum B) A prokaryotic bacillus C) A prokaryotic coccus D) A flagellated eukaryote E) A ciliated eukaryote
The organelle involved in intracellular digestion of food particles is the
A. smooth endoplasmic reticulum. B. transitional vesicle. C. mitochondria. D. lysosome. E. Golgi apparatus.