Briefly explain why critics did not readily accept the Darwin-Wallace theory of natural selection. What possibilities did they ignore?
Critics thought that a partially evolved eye or wing would not be useful, and therefore the eye and the wing could not have evolved but must have been created as a whole. They ignored the possibility that the eye or wing was used for something else before it evolved to where it is today. For example, a wing might have been used for stability.
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How do magnetic stripes on the ocean floor serve as evidence for seafloor spreading?
A) Their symmetry on either side of the mid-ocean ridge shows that new crust is created, then split. B) Their patterns show that the Earth's magnetic field reverses every few hundred years, on average. C) They show that island arc volcanism creates new oceanic crust at the mid-ocean ridges. D) Their symmetry on either side of mid-ocean ridges shows that transform boundaries are sliding boundaries.
Which of the following locations would form an igneous rock?
A) Locations 1 and 2
B) Locations 2 and 3
C) Locations 3 and 4
D) Locations 1, 2, and 3
E) Locations 5 and 6
The last step in formation of a typical landscape is
A) erosion. B) deposition of sedimentary layers. C) lithification into sedimentary rocks.
A marine scientist is studying the amount of dissolved oxygen in a particular area. They are attempting to connect the data with the type of organisms found in that area. What kind of marine scientist might they be classified as?
A) Physical oceanographer B) Chemical oceanographer C) Marine biologist D) Marine geologist