Explain the difference between geologic eras, periods, and epochs. Give an example of each
What will be an ideal response?
Answer: Epochs are subsets of periods which are subsets of eras. For instance, the Pleistocene Epoch is part of the Quaternary Period, which is a subset of the Cenozoic Era.
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Which statement describes an important principle of inquiry and debate in science?
A. Scientists can never establish absolute proof about anything, but rather, a high degree of certainty. B. Scientists use backroom deals and often-changing unwritten rules to exert influence. C. Scientists find it essential to base their arguments on facts as well as intuition and preference. D. Scientists often test rival theories by planting disinformation as a strategic approach. E. Scientists pick and choose facts to support their own claims with little fear of repercussion.
The absolute temperature scale that contains no negative numbers is the ____, which makes it convenient for scientific computing
A) Fahrenheit B) Celsius C) Kelvin D) Convection
In the same field, hawks hunt during the day for mice and owls hunt during the night for mice. Which type of species interaction is this?
A. resource partitioning B. parasitism C. interspecific competition D. commensalism
Which of the following is associated with a mid-ocean ridge?
A. continental rift B. an island arc C. lower topography than surrounding seafloor D. magma produced as the mantle rises up E. melting of the subducting plate