The teeth designated by the letter “C” in the above
figure are called
a. canines.
b. premolars.
c. incisors.
d. molars.
e. all of these.
Answer: a
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An example of a phenotypic trait where observation of phenotype can easily identify the genetic variation is:
A. color markings in certain invertebrates. B. human skin color. C. human blood type. D. color markings in certain invertebrates and human blood type. E. human skin color and blood type.
If a woman has a declining level of various hormones in her urine it may indicate ________
a. cancer b. cardiovascular disease c. diabetes d. stroke e. menopause
A round-trip movement of an individual from one place to another and back again is called ________
Fill in the blank(s) with correct word
Which of the following animals does not use lungs to acquire oxygen?
A) whale B) frog C) bird D) butterfly