All of the following are true about salmon smolt EXCEPT:
a. They have a larger surface-to-volume ratio compared to adults.
b. They develop adaptations for living in salt water.
c. This is the period when they reach sexual maturity.
d. They are migrating to the ocean
C
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A researcher discovers a mutant carnation plant that lacks any A-class homeotic genes. Which of the following structures would be malformed (or absent) in this mutant? Select all correct choices
A. stamens B. carpels C. petals D. sepals
In an effort to determine the mechanism of neuronal signaling, Otto Loewi isolated ____
a. frog hearts b. frog brains c. rat hearts d. rat brains e. rat vagus nerve
You wish to determine which organs function to remove waste products from the hemolymph (blood) of an insect. You do so by injecting a suspension of particulate dye particles into the abdominal cavity of an anesthetized cricket.Where will you find these dye particles 45 minutes later, after you euthanize and dissect the cricket?
A. in the urinary bladder B. in the nephridia C. in the antennal glands D. in the Malpighian tubules E. in the protonephridia F. in the nephrons of the kidneys Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about insect physiology? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
The primary function of the loop of Henle is
A. removal of glucose. B. removal of water from the nephron. C. secretion of hydrogen ions. D. to produce liquid for the nephron.