Which of the Following Theories Could Best Explain the Presence

question 120

Multiple Choice

Which of the following theories could best explain the presence of ancient humans and Asian land animals on the islands of Southeast Asia?

• A) They crossed from the mainland along temporarily exposed pieces of land that are now submerged in the ocean.
• B) They reached and were spread throughout the islands by seaborne traders as they went from one island to the next.
• C) During periodic ice ages, glaciers extended from the coastline of the mainland to many of the islands.
• D) Until an earthquake destroyed it, Huxley's Line provided a narrow land connection to the islands.

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Definitions:

Bliss Point

The optimal quantity of consumption where any further increase or decrease would lead to a lower level of satisfaction for the consumer.

Indifference Curves

Graphical representations in microeconomics to illustrate different combinations of goods between which a consumer is indifferent.

Utility Function

A mathematical representation that ranks preferences or satisfaction levels consumers derive from different bundles of goods.

Perfect Substitutes

Products or goods that can replace each other perfectly with no loss of utility to the consumer.