All of the taxa in a monophyletic group can be called a:
a. division.
b. class.
c. clade.
d. phyla.
e. derivative.
C
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In polygynous species of animals, males usually choose their mates, and females, because they are smaller and weaker, must comply
Indicate whether the statement is true or false
Inhaling or "huffing" is a way to achieve a high, usually by breathing in a fat-soluble substance. Which of the following structures would be most likely attacked first?
A) myelin sheath B) axon C) neuron D) dendrite
Fleshy fruits with hard seed coats, such as cherries, are more likely to be dispersed by ____ than by other means.
A. wind B. adhering to animal fur C. passing through animal guts D. falling to the ground, rotting, and releasing their seeds E. water currents
Osteogenesis imperfecta is a rare human condition caused by a mutation in a gene encoding Type I collagen. In some forms of the disease, the mutation leads to the production of procollagen that has a defective extension sequence; this defect interferes with the assembly of functional collagen fibers. Which of the following symptoms would you expect to see in individuals with osteogenesis imperfecta?
A. thin discs between vertebrae B. defective kidneys and capillaries C. very strong tendons and ligaments/tight joints D. very weak bones E. respiratory problems/lung defects