What point does the professor make about the Nightcap Oaks habitat？
A. It is stable despite its limited size.
B. Unlike the habitats of many plants, it is expanding.
C. Its recent changes have left the Nightcap Oak struggling to adapt.
D. Its size is much larger than the area where the Nightcap Oak grows.
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Why does the professor mention the size of the Nightcap Oak population over the last few hundred years？
A. To explain why it is likely that the Nightcap Oak population will increase in the future
B. To point out that the Nightcap Oak"s limited reproductive success has not led to a decrease in its population
C. To present evidence that the Nightcap Oak is able to tolerate major changes in its environment
D. To point out that the Nightcap Oak is able to resist diseases that have destroyed other tree species
What topics related to the Nightcap Oak does the professor mainly discuss？ Choose 2 answers.
A. Factors that relate to the size of the area in which it grows
B. The size of its population over the last few centuries
C. Whether anything can be done to ensure its survival
D. Why it did not change much over the last one hundred million years
According to the professor, what led scientists to characterize the Nightcap Oak as primitive？
A. It has no evolutionary connection to other trees growing in Australia today.
B. It has an inefficient reproductive system.
C. Its flowers are located at the bases of the leaves.
D. It is similar to some ancient fossils.
What does this practice explain？ Choose 2 answers.
A. Why tulips replaced gold as a form. of currency
B. Why buyers were no longer interested in owning actual tulips
C. Why borrowing in the Netherlands increased on a significant scale
D. Why the middle class in the Netherlands expanded in size
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