A manufacturing company dumps its wastes into a nearby pond. One of the wastes is found to paralyze the contractile vacuoles of certain protists. A biologist looking at individual samples of these organisms taken from the pond would find that they
A) have lost water and shrunk.
B) have gained water and burst.
C) have died of malnutrition.
D) have died because wastes have built up in the cytoplasm.
Answer: B
You might also like to view...
You have a small population of beetles. One day a large rainstorm causes flooding and wipes out 87% of the population. The remaining individuals have much lower genetic variation than the original population
Which of the following would explain the lack of H-W equilibrium seen after the flood? A. founder effect B. random mating C. small population size D. genetic drift E. migration
The knee is stabilized by wedges of cartilage called ________
a. menisci b. disks c. patella d. ligaments
The hominoids and the __________ share a common ancestor that diverged to form these two groups
a. lemurs b. tarsiers c. New World monkeys d. orangutans e. Old World monkeys
Milk of magnesia is often used to treat stomach upset. It has a pH of 10. Based on this information, milk of magnesia
A) is an acid. B) is hydrophobic. C) is a base. D) has the same pH as stomach acid.