The Fossil Record Indicates That at One Time Marsupials Were

question 13

Multiple Choice

The fossil record indicates that at one time marsupials were common to both Australia and South America,but today most South American marsupials have become extinct.The most probable explanation for marsupials being common to Australia yet not very common to South America today is that

• A)South American marsupials were displaced by placental mammals when a land bridge formed between North America and South America about seven million years ago.
• B)marsupials were able to flourish in South America because of its isolation from other land masses.
• C)placental mammals are less fully developed than marsupials when born and therefore have a better chance of survival after birth.
• D)South American and Australian marsupials interbreD.
• E)marsupials can survive only in warm climates like Australia.

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Definitions:

Farm Families

Households that live and work on farms, typically involving all family members in agricultural activities as a means of livelihood.

Land Ownership

The legal or rightful possession of land, which includes the rights to use, control, and transfer the land.

Political Rights

The rights of individuals to participate in the political life of their community or nation, including the right to vote, run for office, and engage in public debate.

Slaves

People who are legally owned by others and are forced to work for them without free will, a condition regarded as property.