55) Which statement most accurately describes how matter and energy are used in ecosystems?A) Matter flows through ecosystems; energy cycles within a single ecosystem.B) Energy flows through ecosystems; matter cycles within and through ecosystems.C) Energy can be converted into matter; matter cannot be converted into energy.D) Matter can be converted into energy; energy cannot be converted into matter.E) Matter is used in every ecosystem; energy is only used in some ecosystems. 56) To recycle nutrients, an ecosystem must have, at a minimum,A) producers.B) producers and decomposers.C) producers, primary consumers, and decomposers.D) producers, primary consumers, secondary consumers, and decomposers.E) producers, primary consumers, secondary consumers, top carnivores, and decomposers. 57) Which of the following is an example of bioremediation?A) bulldozing the land around an abandoned strip mine to combat erosionB) scraping a river bottom with a tool to remove contaminated sedimentsC) reconfiguring a river channel to increase the flow of water down a riverD) using microorganisms to eat oil in marine waters after a tanker oil spill

Ecosystems are complex webs of life in which living species interact with one another and their…

Answered: Which statement most accurately…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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55) Which statement most accurately describes how matter and energy are used in ecosystems?

A) Matter flows through ecosystems; energy cycles within a single ecosystem.
B) Energy flows through ecosystems; matter cycles within and through ecosystems.
C) Energy can be converted into matter; matter cannot be converted into energy.
D) Matter can be converted into energy; energy cannot be converted into matter.
E) Matter is used in every ecosystem; energy is only used in some ecosystems.

56) To recycle nutrients, an ecosystem must have, at a minimum,

A) producers.
B) producers and decomposers.
C) producers, primary consumers, and decomposers.
D) producers, primary consumers, secondary consumers, and decomposers.
E) producers, primary consumers, secondary consumers, top carnivores, and decomposers.

57) Which of the following is an example of bioremediation?

A) bulldozing the land around an abandoned strip mine to combat erosion
B) scraping a river bottom with a tool to remove contaminated sediments
C) reconfiguring a river channel to increase the flow of water down a river
D) using microorganisms to eat oil in marine waters after a tanker oil spill

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