Which serve as examples of convergence?
a. dolphins and tuna
b. panthers and tigers
c. apes and monkeys
d. sharks, skates, and rays
e. mice, rats, and gerbils
A
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In cattle, the presence or absence of scurs follows a sex-influenced pattern of inheritance. A heterozygous male has _______ and a heterozygous female has _______
A. Y-linked, X-linked B. no scurs, scurs C. X-linked, Y-linked D. scurs, no scurs
Before cells divide into two daughter cells, it must first duplicate its
A. entire genome. B. array of enzymes. C. cell membrane structure. D. cytoplasmic contents. E. All of the answer choices are correct.
In sickle cell anemia, glutamic acid is
substituted for
a. valine b. lysine c. serine d. arginine e. phenylalanine
What level of ecology is concerned with the adaptations of individuals?
A) community B) organismal C) ecosystem D) population