OCE Ch 12 Questions with Correct Answers (Grade A+)
Question 1: With respect to their marine environment, these organisms can be referred to as:
Answer: benthos
Question 2: The scientist who in 1758 created a system that is the basis of the modern system of
classification of organisms is __________.
Answer: linnaeus
Question 3: The scientific discipline concerned with naming and grouping organisms is called
__________.
Answer: taxonomic classification
Question 4: Giant kelp is a member of the phylum _________.
Answer: protista
Question 5: "Eukarya" is a _________.
Answer: domain
Question 6: A plankton biologist has discovered a new species and he needs your help classifying it into
the proper kingdom. All you can observe is that this microscopic organism has just one nucleus in its
cell, and it has chlorophyll, so it must be photosynthetic. What kingdom does it belong to?
Answer: Protista
Question 7: Judge the following sentence according to the criteria given below: All marine algae must
live near the ocean surface BECAUSE they need sunlight to survive.
Answer: The assertion and the reason are both correct, and the reason is valid.
Question 8: Judge the following sentence according to the criteria given below: All marine algae must
live near the ocean surface BECAUSE this is where food can be obtained.
Answer: The assertion and the reason are both correct, but the reason is invalid.
Question 9: Judge the following sentence according to the criteria given below: Most marine animals
live near the ocean surface BECAUSE they all need sunlight to survive.
Answer: The assertion is correct, but the reason is incorrect.
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, Question 10: A good working definition of life does not need to incorporate that living things ________.
Answer: contain carbon in their chemical makeup
Question 11: The single most important factor that determines the distribution of life in the oceanic
province is ________.
Answer: sunlight
Question 12: The superkingdoms of life called Eubacteria is identical to which of the following?
Answer: Bacteria
Question 13: Which of the following domains has cells that house DNA in a discrete nucleus and
contain structures that supply energy to build the cell and maintain its functions?
Answer: Eukarya
Question 14: Which of the following kingdoms includes single-celled organisms whose cells lack discrete
nuclei and the internal organelles?
Answer: Eubacteria
Question 15: Which of the following kingdoms contains the multicelled plants, all of which
photosynthesize?
Answer: Plantae
Question 16: Which of the following kingdoms includes species that live with cyanobacteria or green
algae to form lichen?
Answer: Fungi
Question 17: Which of the following kingdoms includes a diverse collection of single-celled and
multicelled organisms that have a nucleus?
Answer: Protista
Question 18: The fundamental unit of taxonomic classification is the ________.
Answer: Species
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Question 1: With respect to their marine environment, these organisms can be referred to as:
Answer: benthos
Question 2: The scientist who in 1758 created a system that is the basis of the modern system of
classification of organisms is __________.
Answer: linnaeus
Question 3: The scientific discipline concerned with naming and grouping organisms is called
__________.
Answer: taxonomic classification
Question 4: Giant kelp is a member of the phylum _________.
Answer: protista
Question 5: "Eukarya" is a _________.
Answer: domain
Question 6: A plankton biologist has discovered a new species and he needs your help classifying it into
the proper kingdom. All you can observe is that this microscopic organism has just one nucleus in its
cell, and it has chlorophyll, so it must be photosynthetic. What kingdom does it belong to?
Answer: Protista
Question 7: Judge the following sentence according to the criteria given below: All marine algae must
live near the ocean surface BECAUSE they need sunlight to survive.
Answer: The assertion and the reason are both correct, and the reason is valid.
Question 8: Judge the following sentence according to the criteria given below: All marine algae must
live near the ocean surface BECAUSE this is where food can be obtained.
Answer: The assertion and the reason are both correct, but the reason is invalid.
Question 9: Judge the following sentence according to the criteria given below: Most marine animals
live near the ocean surface BECAUSE they all need sunlight to survive.
Answer: The assertion is correct, but the reason is incorrect.
Page 1
, Question 10: A good working definition of life does not need to incorporate that living things ________.
Answer: contain carbon in their chemical makeup
Question 11: The single most important factor that determines the distribution of life in the oceanic
province is ________.
Answer: sunlight
Question 12: The superkingdoms of life called Eubacteria is identical to which of the following?
Answer: Bacteria
Question 13: Which of the following domains has cells that house DNA in a discrete nucleus and
contain structures that supply energy to build the cell and maintain its functions?
Answer: Eukarya
Question 14: Which of the following kingdoms includes single-celled organisms whose cells lack discrete
nuclei and the internal organelles?
Answer: Eubacteria
Question 15: Which of the following kingdoms contains the multicelled plants, all of which
photosynthesize?
Answer: Plantae
Question 16: Which of the following kingdoms includes species that live with cyanobacteria or green
algae to form lichen?
Answer: Fungi
Question 17: Which of the following kingdoms includes a diverse collection of single-celled and
multicelled organisms that have a nucleus?
Answer: Protista
Question 18: The fundamental unit of taxonomic classification is the ________.
Answer: Species
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