Differentiate among the concepts of food chain, food web, and trophic levels
What will be an ideal response?
Food chains "describe where the energy and nutrients go as they move from one organism to another." The food web is "all food chains" that are "interconnected and form a complex web of feeding relationships." Trophic levels are feeding levels in an ecosystem.
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Which of the following is true of liquid ethers?
A) They are both volatile and highly flammable. B) They are neither volatile nor highly flammable. C) They are volatile, but are not flammable. D) They are flammable, but are not volatile.
Why are plains, above sea level as well as under the ocean, so flat?
What will be an ideal response?
Earthquakes are most likely to occur near
A) continental shields. B) areas of volcanic activity in the interior of continents. C) areas where two tectonic plates meet. D) heavily populated areas.
Pyroclastic material that is less than 2 mm in diameter is called ____________________. Particles
ranging from 2 to 64 mm in diameter are known as ____________________, while ____________________ and ____________________ are pieces larger than 64 mm in diameter. Fill in the blank(s) with the appropriate word(s).