A necropsy (postmortem analysis) of a marine sea star that died after it was mistakenly placed in freshwater would likely show that it died because ________.
A) it was stressed and needed more time to acclimate to the new conditions
B) it was so hypertonic to the freshwater that it could not osmoregulate
C) the sea star's kidneys could not handle the change in ionic content presented by the freshwater
D) its contractile vacuoles ruptured
E) its cells dehydrated and lost the ability to metabolize
Correct Answer:
Verified
Q1: Compared to the seawater around them, most
Q2: One of the waste products that accumulates
Q3: To maintain homeostasis, freshwater fish must _.
A)
Q4: Among vertebrate animals, urea is _.
A) made
Q6: When a cell is in equilibrium with
Q7: Ammonia is likely to be the primary
Q10: The body fluids of an osmoconformer would
Q15: The advantage of excreting nitrogenous wastes as
Q16: Organisms categorized as osmoconformers are most likely
A)
Q19: Urea is
A) insoluble in water.
B) more toxic
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