Platyhelminthes were the first organisms to have:
A) fully developed brain.
B) notochord.
C) central nervous system.
D) All of these choices.
C
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What happens to the surface area of exposed rock if a rock is fractured?
A) There are more pieces, but the surface area does not change. B) The surface area does not change because the volume does not change. C) The surface area increases as the rock is fractured. D) The surface area decreases as the rock is fractured.
What are ventifacts? How are multiple facets formed on ventifacts? Where are they found What will be an ideal response?
Analyze the concept map above and consider how this applies to biogeochemical cycles. Which selection is most appropriate for a geosphere to hydrosphere interaction (letter G on the diagram)?
A. Weathering B. Rock formation C. Organic decomposition D. Burning fossil fuels
In the United States, who owns the forest land that is home to timber harvesting? Why was the national forest system established, what was its mission, and who specifically directed its development? How did the political climate in the United States aid
the formation of a system that incorporated the theme of conservation? What will be an ideal response?