The introduction of exotic plants and animals into new ecosystems, such as the introduction of African bees to Brazil in the 1950s with hopes of improving the local bee-keeping industry, is an example of
A) ecological imperialism.
B) demographic collapse.
C) virgin soil epidemic.
D) transcendentalism.
E) the Columbian exchange.
Answer: A
Answer: A
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During the Jurassic and Cretaceous, the Appalachian range was eroded into a low-lying erosional
surface. Indicate whether the statement is true or false.
Based on the current directions of plate motion, China and the West Coast of the United States are getting closer.
Answer the following statement true (T) or false (F)
Which nation has transformed itself from an entrepĂ´t into a major nexus for banking, communications and biotechnological research?
A) Laos B) Vietnam C) Malaysia D) Singapore E) Philippines
Heat, pressure, and deformation are processes that can create
A. sedimentary rocks. B. igneous rocks. C. metamorphic rocks.