A major factor that allowed species to adapt to new environments and form new species through natural selection happened
a. because Pangaea began splitting apart about 135 million years ago
b. about 18,000 years ago when South America and North America split apart
c. about 200-250 million years ago when India and Africa split apart
d. happened about 250 million years ago, because Pangaea began splitting apart
e. because Asia and North America split apart 180 million years ago
A
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Which individual was the first to provide a rough chart of an ocean current, specifically, the Gulf Stream?
A) ?Edward Forbes B) ?Tim Folger C) ?Benjamin Franklin D) ?Captain James Cook
Draw a cross-section of an oceanic-oceanic convergent plate boundary. Show the directions of relative
plate motion. Put stars for the locations of earthquakes. Put triangles with smoke out the top for the locations of volcanoes. Label the trench, back arc basin, and subduction complex What will be an ideal response?
What are amphibians?
A. invertebrates that live part of their lives in water and part on land B. invertebrates that live on land, near water C. vertebrates with secretory skin glands that makes them slimy D. vertebrates that live part of their lives in water and part on land E. vertebrates that live on land, near water
Coal is an example of a detrital sedimentary rock. Indicate whether the statement is true or false