Early in the twentieth century, what was the prevailing view of how land animals migrated across vast expanses of open ocean?
What will be an ideal response?
Early views were far-fetched ideas about rafting, land bridges, and island stepping-stones to get from one continent, across an ocean, and onto another continent.
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The cool ocean currents, such as the Humboldt Current, that flow along the west coasts of continents promote ________ when conditions in these regions are warm and moist
A) heavy rainfall B) fog C) thunderstorm development D) warm, mild conditions
A dieback or population crash, often occurs after a species ________ its environmental carrying capacity.
A. Oscillates around B. Decreases C. Undershoots D. Overshoots E. Meets
The study of the transmission of light and sound in the oceans is an example of ________ oceanography
A) archaeological B) biological C) chemical D) geological E) physical
In Paris, and other similar cities in France, ________ do a large share of the menial labor
A) Chinese B) North Africans C) Russians D) West Africans E) Portuguese