Artificial selection has been used to shape the behavior of farm animals such as the chicken and domestic animals such as the dog
Evolutionary behaviorists believe that natural selection has also affected the appearance and behavior of the domestic dog. Provide a short explanation of how this may have happened.
What will be an ideal response?
ANS:
Answers will vary, but might include neotenous appearance (rounded faces, large eyes); cuing on human faci-al expressions; begging behavior; cooperative hunting behavior, etc.
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The ________ and ________ domains of the class II MHC protein interact to form a peptide-binding site
A) B / T B) light / heavy C) C / V D) ?1 / ?1
Which of the following is a characteristic of mitochondria?
a. being unable to survive outside the cell b. using energy to make glucose c. being involved in photosynthesis d. having linear-shaped chromosomes
Which of the following best describes the number of distinct evolutionary branches in the domain
Archaea, as revealed by genome sequencing studies?
a. 3?4 b. 6?7 c. 9?10 d. at least 12 e. at least 20
Beavers are major carriers of Giardia, which is a member of the group ________ that can cause severe diarrhea in people who drink water that contains the organism's cysts
Fill in the blank(s) with correct word