The cell walls of surface-facing epidermal cells

are filled with which of the following to reduce
water loss?



a. wax
b. pectin
c. lignin
d. cork
e. periderm


A

Biology & Microbiology

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Which of the following organisms could result from a developing embryo where the mouth

develops second?

a. earthworm b. clam c. beetle d. starfish

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Based upon garter snake food preference, researchers were able to determine that their feeding preference ________. a. is determined by their initial exposure to a certain food b. None of these choices

c. is a trait that cannot be altered d. can be modified based upon repeated exposure to a new food e. is an inborn trait

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Which of the following is the main form of nitrogenous wastes released by birds to their environment?

a. nitrate b. ammonia c. uric acid d. amino acids e. urea

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Selection is the differential reproduction of genotypes, resulting from their variable fitness

Indicate whether the statement is true or false

Biology & Microbiology