There is only one species of Australopithecus
Indicate whether the statement is true or false
FALSE
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As discussed in the text, long-term continental drift had significant evolutionary ramifications because:
a. groups of animals were isolated from each other by oceans. b. the distribution of mammals and other land vertebrates were unaffected. c. scientists can map the changes that occurred and see evolution as it happened. d. groups of animals were no longer isolated from each other by oceans. e. geological activities induced volcanic activities which decimated populations of placental mammals.
The decline in the percentage of nuclear families in the United States has been influenced by all of the following EXCEPT _____
a. the acceptance of alternative lifestyles in recent years b. the increasing divorce rate c. the lower costs associated with having children d. delays in childbearing and marriage e. the expanding job market
Refer to the table below. What is the marginal cost of producing the 500th unit of dairy product?
The table above shows the total cost for Happy Cows, a perfectly competitive dairy farm, at various levels of production. The market price for Happy Cows dairy is $10 per unit of dairy product.
A) $5,000 B) $15 C) $10 D) $1,545
Knowledge has commercial value as
A. companies seek to decrease of ecological and technical risks. B. it acknowledges it is more than increasing temperatures. C. the process of multinational companies increasingly influence national policies. D. new ideas are converted into products and services that consumers want. E. it retains the notion of being native to a place.