EAPS 112 - Chapter 12 Exam Questions & Answers 2023/2024
Organisms that live on or in the seafloor make up the ________ .
a. base feeders
b. nekton
c. benthos
d. planktos
e. pelagic animals - ANSWER-c. benthos
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The greatest recorded mass extinction to affect Earth occurred ...
EAPS 112 - Chapter 12 Exam Questions
& Answers 2023/2024
Organisms that live on or in the seafloor make up the ________ .
a. base feeders
b. nekton
c. benthos
d. planktos
e. pelagic animals - ANSWER-c. benthos
Check My Work
The greatest recorded mass extinction to affect Earth occurred at the end of the ________ .
a. Silurian
b. Ordovician
c. Pennsylvanian
d. Permian
e. Devonian - ANSWER-d. Permian
A trilobite that crawled on the ocean floor and fed on microscopic organisms and algae can best be
described as a ________ , suspension-feeder.
a. nektonic, infaunal, sessile
b. benthic, infaunal, mobile
c. benthic, infaunal, sessile
d. nektonic, infaunal, mobile
e. benthic, epifaunal, mobile - ANSWER-e. benthic, epifaunal, mobile
Organisms that manufacture their own food are known as ________ .
a. primary producers
b. tertiary consumers
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