Placental and marsupial mammals differ from monotremes in that ____
a. monotremes give birth to live young
b. placental and marsupial mammals do not have eggs
c. monotremes are found only in Australia
d. placental and marsupial mammals give birth to live young
e. placental and marsupial mammals have better developed teeth
d
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Pollution is best described as ________.
A. substances or materials that are toxic to humans, thus decreasing the quality of the human environment B. the decrease in the quality of the environment as a result of natural events C. changing the population growth of species D. can be broken down by bacteria E. adding substances or energy that harm the environment
Toothed whales are larger than baleen whales.
Answer the following statement true (T) or false (F)
In which situation is radiation the most dominant form of heat transfer?
A) The movement of heat from the Sun to Earth B) The movement of heat within the mantle C) The movement of heat within a lake D) The movement of heat within a stove coil
Overfishing illustrates the concept of the tragedy of the commons.
Answer the following statement true (T) or false (F)