Reptiles are better adapted to life on land than are amphibians. Which of the following statements best describes their advantage?
A. Reptiles have an egg with an amnion, yolk sac, allantois, chorion, and shell.
B. Reptiles have a skin that resists loss of water by evaporation.
C. Reptiles breathe by expanding the rib cage.
D. Reptiles have the ability to concentrate urine.
E. All the other choices provided are correct.
E. All the other choices provided are correct.
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A. Invasive species B. Indicator species C. Keystone species D. Flagship species
Wild animals are a natural reservoir for Clostridium tetani
Indicate whether the statement is true or false.
Most CO2 reacts with water inside red blood cells to form bicarbonate, due to the activity of __________. Fill in the blank(s) with the appropriate word(s)
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