Which p-value would be considered statistically significant?
A. p < .5
B. p < .7
C. p < .07
D. p < .05
Answer: D. p < .05
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The probability that an ancient species will be represented in the fossil record is a function of:
A. the properties of the organisms themselves, such as whether or not they make hard skeletons. B. the properties of the environments in which they live, such as whether or not burial was likely. C. the properties of the climate in which they live, such as how warm or cold it was. D. the properties of the organisms themselves and the environments in which they live. E. all of the answer options are correct.
A person hears a sound coming from a hole in the ground. Sometime later a groundhog is seen emerging from the hole in the ground. The person suspects that the sounds were made by the groundhog since they have witnessed this behavior before. The underlined portion of this story is best described as a(n)
A. experiment. B. hypothesis. C. observation. D. test of a hypothesis.
What is the significance of genetic variation?
a. it influences population interactions b. it interacts within the biosphere c. it is the raw material for sexual reproduction. d. it is the most fundamental level of species classification e. it is the raw material for adaptation, speciation, and evolution; and it is the most fundamental level of biological organization
Neuroglia cells that have lipid-rich cell membranes and form insulating sheaths of myelin are called
A. adipocytes. B. erythrocytes. C. islets of Langerhans. D. Schwann cells. E. mucus cells.