Use the Following to Answer Questions

question 7

Multiple Choice

Use the following to answer questions :
Consider five species of toads.Species A and B are sister species.Species C and D are also sister species.The clade containing species A and B is sister to the clade containing species C and D.Species E is sister to the clade containing A,B,C,and D.
-Not counting the root as a node,how many nodes would be found in a phylogenetic tree containing just species A,B,C,and D?

• A) 1
• B) 2
• C) 3
• D) 4
• E) 5

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Definitions:

Testosterone

A primary male sex hormone and an anabolic steroid, important for male sexual and reproductive development, as well as muscle and bone mass.

Ligaments

Tough, fibrous tissues that connect bones to other bones, providing joint stability and support.

Endometrium

The inner lining of the uterus that thickens during the menstrual cycle to prepare for potential implantation of an embryo, and sheds during menstruation if no pregnancy occurs.