BIOL 301 Exam Questions with Correct
Answers
What is the most fundamental unit of ecology? - Ans:-individual
What is the number of individuals per unit area? - Ans:-Density
The paper you read entitled, "Effects of Predator Hunting Mode on Grassland Ecosystem Function" was
an example of what ki...
Aquatic organisms have developed streamlined shapes to adapt to what? - Ans:✔✔-the viscosity of
water
The use of salt on roads in winter has led to what? - Ans:✔✔-decreased survival of freshwater organisms
in nearby ponds
Mangroves grow on salt-laden coastal mudflats that an inundated daily by high tides. How do these
plants address problems of water acquisition and elimination of excess salts?
I. by maintaining high concentrations of organic solutes in their roots
II. by excluding salts from their roots by active transport
III. by actively excreting salt from glands on the surfaces of their leaves - Ans:✔✔-I, II, and III
The dissolved oxygen levels in water did NOT require adaptation for
a. dolphins
b. sharks
c. squid
d. zooplankton - Ans:✔✔-a
What is used to increase oxygen extraction? - Ans:✔✔-countercurrent circulation
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