Consider that the rock outcrops at the surface of the land in your neighborhood are Permian. What would be true if you dig downward?
A. You may find dinosaur fossils below.
B. You may find fossils of first flowers.
C. All five of the other Paleozoic layers will be present underneath.
D. A roadcut in your area would reveal exactly the same species of fossils as a roadcut through a Permian layer in Asia.
E. None of the choices is true.
Ans: E. None of the choices is true.
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Answer the following statement true (T) or false (F)
Bacteria hold their DNA is region inside of their outer membrane, What is this region called?
A) capsule B) nucleoid C) cell wall D) flagella E) fimbriae
The optimal foraging theory states that when animals forage, they maximize their ____ per unit of foraging time
a. migration rates b. energy intake c. ability to capture prey d. interaction with predators e. ability to hide from predators
Imagine an artificial cell made with a selectively permeable membrane that allows water to pass through but does not allow sugar to pass
If the artificial cell contains a 1% sugar solution and then you place the cell in a 2% sugar solution, what happens? A) There is no movement of water. B) Water leaves the cell because the solution is hypertonic to the cell. C) Sugar diffuses in and water diffuses out until equilibrium is reached. D) Water enters the cell because the solution is hypotonic to the cell.