Imagine that several thousand years ago, a group of bats and a group of frogs colonized an island at the same time. What can you expect of their current descendants?
A. There will be more frog species compared
to bat species.
B. There will be more bat species compared
to frog species.
C. The number of bat and frog species will be
equal.
D. All frog species will have become extinct
on the island.
E. All bat species will have become extinct on
the island.
A
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Recent advances in molecular techniques allowed paleobiologists to sequence DNA that was preserved in a woolly
mammoth that died ____ years ago.
a. 27,000 b. 4,000 c. 2,700 d. 1,000 e. 500
The emergence of hundreds of Hawaiian honeycreeper species from a single flock introduced to this island
archipelago millions of years ago is an example of ____.
a. behavioral isolation b. morphological convergence c. cladistics d. adaptive radiation e. sympatric speciation
What is the product of the addition of O2 to RuBP by rubisco?
a. one molecule of G3P b. one molecule of 3PGA and one molecule of phosphoglycolate c. two molecules of phosphoglycolate d. three molecules of 3PGA
Why are modern light microscopes better than the ones Leeuwenhoek used?
A) Modern microscopes have a fivefold better resolution. B) Modern microscopes are compound instead of simple. C) Modern microscopes have lenses with smaller numerical apertures. D) Modern lenses are made of prisms. E) Modern microscopes are compound and have fivefold better resolution.