If you roll a six-sided die, you would expect to roll a one once out of six rolls
This expected frequency is not observed when rolling the die six times, but the ob-served frequency of rolling a 1 comes out very close to 1/6 when the die is rolled 1,000 times. This demonstrates:
a. randomness.
b. the law of large numbers.
c. the relationship between probability and drift.
d. A and B.
e. All of the above.
E
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What is the direction of sodium ion flow through leak channels in a photoreceptor cell in the dark?
A. from the cytoplasm to the extracellular space B. from the smooth endoplasmic reticulum to the cytosol C. from the extracellular space into the cytoplasm D. from vesicles into the synapse
At the doctor's office, you may have noticed that when you are asked to "breathe deeply," your chest rises and falls more dramatically than when you are breathing normally. Why?
A. Your intercostal muscles are being used to expand your chest cavity. B. Your spiracles are being used to expand your chest cavity. C. Your air sacs are being used to expand your chest cavity. D. Your bronchioles are being used to expand your chest cavity.
Angiosperms first appeared during the ____ period
a. Cambrian b. Jurassic c. Cretaceous d. Neogene e. Devonian
The phenotypic trait that selection acts upon directly is referred to as the ________ of selection
Fill in the blank(s) with correct word