Exam Rvw Chapter 3/4 Question Preview (ID: 4124)
Exam Rvw Chapter 3/4.
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What are the products of photosynthesis?
a) oxygen and carbohydrates
b) water and sugars
c) carbon dioxide and carbohydrates
d) water and energy
Which of the following types of organisms obtain energy by eating only plants?
a) omnivores and carnivores
b) omnivores and herbivores
c) c. carnivores only
d) herbivores
What are organisms that feed on plant and animal remains and other dead matter called?
a) detritivores
b) decomposers
c) omnivores
d) herbivores
What is the one-way flow of energy in an ecosystem called?
a) food web
b) energy pyramid
c) biomass pyramid
d) food chain
What is each step in a food chain or food web called?
a) trophic level
b) limiting level
c) ecological pyramid
d) biomass
What type of single-celled algae are supported by nutrients in water and form the base of aquatic food webs?
a) phytoplankton
b) sphagnum
c) detritus
d) zooplankton
What type of ecosystem occurs in tropical climates and contains dominant species of salt-tolerant woody plants?
a) magrove swamp
b) salt marsh
c) benthic
d) wetland
Which one of the following is NOT a freshwater wetland?
a) salt marsh
b) marsh
c) swamp
d) bog
What type of wetland forms when a freshwater source meets the ocean?
a) estuary
b) mangrove swamp
c) bog
d) sal;t marsh
What time of ecosystem exsists at the bottom of the ocean
a) benthos
b) wetland
c) photic
d) salt marsh
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