When might unrelated individuals engage in apparently altruistic acts?
A. If they are trying to mate with each other.
B. If they are unselfish individuals.
C. If the altruism is likely to be reciprocated.
D. If the act benefits their population.
E. Unrelated individuals never perform apparently altruistic acts.
C. If the altruism is likely to be reciprocated.
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Which of these is an example of hybridization?
a. breeding beagles and pugs to produce puggles b. breeding Hereford and Aberdeen Angus cattle to produce Black Baldy cattle c. breeding African Servals with domestic cats to produce Savannah cats d. breeding American Saddlebred and Arabian horses to produce National Show Horses
Short index fingers (shorter than the ring finger) are dominant in males and recessive in females,
whereas long index fingers (as long as or longer than ring fingers) are dominant in females and recessive in males. Give the F2 genotype and phenotype resulting from the cross of a male with long index fingers with a female with short index fingers. What will be an ideal response?
If you remove mountain lions from their habitat and the diversity of other species decreases, the mountain lion was likely a
A. predator. B. commensal species. C. carnivore. D. prey. E. producer.
Which of the following is a primary advantage of semisynthetic drugs?
A) They are less stable and consequently have fewer side effects. B) They work faster. C) They have a broader spectrum of action. D) They must be administered intravenously. E) They are not readily absorbed, so they persist longer.