Dinosaurs went extinct about
a. 50,000
b. 20 million
c. 65 million
d. 100 million
e. 1 billion
why c is correct and the others are not:
The idea of catastrophism was dependent upon which assumption?
a. species can change over time
b. soft-bodied organisms fossilize as frequently as hard-bodied organisms do
c. geologic forces in the past were different from those of today
d. offspring can inherit characteristics acquired by their parents
e. unrelated animals can evolve into similar morphological forms
Why is A correct and the others are not?
Which of the following statements is NOT true concerning Lamarck's theory of inheritance of acquired characteristics?
a. Nature selects the best adapted individuals to survive and reproduce.
b. Environmental pressures cause changes that are inherited.
c. Life forms gradually proceed toward perfection.
d. A great pianist would likely beget a great pianist.
e. The drive for improvement was in the "fluida" of the nerves.