Organisms on Earth are currently classified first as either plant or animal
Indicate whether the statement is true or false
FALSE
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The Biological Species Concept:
a) is the best and most accurate species concept. b) states that species that live together will eventually start breeding. c) states that a species is any group which shares similar DNA. d) states that any organisms that are biologically similar constitute a species. e) defines a species as any group of actually or potentially interbreeding species that produce viable offspring.
The molecules rhodopsin and retinal are involved in the sensory system that detects
A. sight. B. hot and cold. C. smell. D. hearing. E. balance.
Cellular proliferation can be grouped into which of the following general categories?
What will be an ideal response?
Scientists investigating speciation in fruit flies divided a single population of flies into separate populations that each lived in their own cage on one of two food sources: maltose-based food or starch-based food. After several generations, the flies' mate preference was tested, and it was found that flies strongly preferred to mate with other flies that were raised on the same food source. This result suggests that
A. selection on reproductive isolating mechanisms indirectly led to the evolution of different food preferences. B. reproductive isolating mechanisms evolved primarily through genetic drift. C. selection on food source indirectly led to the evolution of reproductive isolating mechanisms. D. different food preferences evolved primarily through genetic drift.