The Questions Below Refer to the Following Evolutionary Tree, in Which

question 16

Multiple Choice

The questions below refer to the following evolutionary tree, in which the horizontal axis represents time (present time is on the far right) and the vertical axis represents morphological change.

-Logically, which of these should cast the most doubt on the relationships depicted by an evolutionary tree?

• A) Some of the organisms depicted by the tree lived in different habitats.
• B) The skeletal remains of the organisms depicted by the tree were incomplete (in other words, some bones were missing).
• C) Transitional fossils had not been found.
• D) Relationships between DNA sequences among the species did not match relationships between skeletal patterns.

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Definitions:

Indifference Curve

A graph showing different bundles of goods between which a consumer is indifferent, representing equal levels of satisfaction.

Enchiladas

A traditional Mexican dish consisting of corn tortillas rolled around a filling and covered with a chili pepper sauce.

Perfect Complements

Goods a consumer wants to consume in the same ratio, regardless of their relative price.

Indifference Curve

A graph that represents combinations of goods among which a consumer is indifferent.