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The Chemical and Physical Components of an Ecosystem Are Considered

Question 5
Multiple Choice

The chemical and physical components of an ecosystem are considered to be ________ or nonliving. A) abiotic B) biota C) biotic D) abalone

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Q 6
Which of the following would be abiotic components of an arctic,marine ecosystem? A) salt water, ice, snow, sun, wind, rocks, and sand B) polar bears, seals, salmon, seaweed, and puffins C) buffalo, meadowlarks, eagles, grasses, and cottonwood trees D) deer, skinks, squirrels, oak trees, pine trees, and mosses
Q 7
Which of the following are examples of primary producers in a beech-maple woodland? A) mosses, grasses, beech trees, and maple trees B) phytoplankton and seaweed C) phytoplankton, reeds, and marsh grasses D) squirrels, skinks, deer, and opossums
Q 8
Ecologists often define an ecosystem by describing how ________ and ________ are acquired and distributed by the biotic community. A) energy; nutrients B) producers; consumers C) decomposers; consumers D) nutrients; producers
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