Heterozygotes for sickle-cell anemia protect against _______________.
Fill in the blank(s) with correct word
Question 2
Which of the following statements about chimpanzee climbing is correct?
a. They habitually flex their ankles to grasp the tree as they climb.
b. They have no foot inversion while climbing.
c. Dorsification is not evident while climbing.
d. They normally grasp a tree with long arms and pull themselves up, making little use of their feet and ankles.
e. Chimpanzees do not climb trees.