Lesson 4.3.1
4.3.1 Classification, the species concept and the three domains Quiz: Pearson Edexcel Biology, Unit 4
20 questions
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Lesson 4.3.1, Classification, the species concept and the three domains: 20 multiple choice questions for the Pearson Edexcel Biology (9BI0), Unit 4: Biodiversity and Natural Resources, written with Revision Ninja.
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The 20 questions
-
According to the biological species concept, members of a species must be able to do what?
- Occupy same niche
- Reproduce asexually
- Share identical DNA
- Produce fertile offspring
-
Which list gives taxonomic ranks in order from largest to smallest?
- Kingdom, phylum, class
- Domain, class, kingdom
- Class, order, phylum
- Phylum, kingdom, class
-
What are the three domains of life in modern classification?
- Plantae, Animalia, Fungi
- Bacteria, Archaea, Eukaryota
- Prokaryotes, Eukaryotes, Viruses
- Monera, Protista, Fungi
-
What type of evidence was primarily used to establish the three-domain system?
- Anatomical structure
- Molecular phylogeny
- Geographical location
- Fossil record
-
In binomial nomenclature, the two parts of a scientific name are:
- Genus, then species
- Kingdom, then phylum
- Species, then family
- Family, then genus
-
Why are scientific classification systems periodically updated by scientists?
- Decreasing species counts
- Fixing binomial names
- Random scientific voting
- New molecular evidence
-
Which two features are compared when classifying organisms into taxonomic groups?
- Habitats and diets
- Ages and sizes
- Locations and abundances
- Phenotypes and genotypes
-
Which process causes distantly related species to evolve similar physical characteristics?
- Convergent evolution
- Divergent evolution
- Artificial selection
- Adaptive radiation
-
Under the biological species concept, two bird populations producing sterile hybrids are classified as what?
- The same species
- Different species
- The same genus
- Subspecies
-
Which organism belongs to the domain Archaea?
- Plasmodium falciparum
- Escherichia coli
- Methanococcus
- Saccharomyces cerevisiae
-
Which organism is classified within the domain Eukarya?
- Escherichia coli
- Oak tree
- Methanococcus
- Cyanobacterium
-
Which correctly shows a binomial name written in the accepted format?
- Panthera leo
- P. leo lion
- Panthera-leo species
- Leo panthera
-
Which pair of organisms is most closely related based on shared taxonomic ranks?
- Same family
- Same class
- Same order
- Same genus
-
Which two domains contain organisms with prokaryotic cell structures?
- Bacteria and Archaea
- Archaea and Eukarya
- Bacteria and Eukarya
- Eukarya and Protozoa
-
Which branch of taxonomy uses DNA sequence comparison to determine evolutionary relationships?
- Molecular phylogeny
- Climatic classification
- Morphological taxonomy
- Binomial nomenclature
-
Which group of organisms cannot be classified using the biological species concept?
- Asexual organisms
- Flowering plants
- Vertebrate animals
- Mammalian species
-
Why can phenotypic classification differ from molecular phylogeny groupings?
- Lack of mutations
- Universal genetic code
- Identical DNA sequences
- Environmental influence
-
Which part of a species' binomial name changes if it is reclassified into a different genus?
- Second word
- First word
- Both words
- Neither word
-
Organisms X and Y share 90% DNA, while Y and Z share 60%. Which pair is most closely related?
- X and Z
- Y and Z
- All equally related
- X and Y
-
How are fossilised organisms primarily classified into species?
- Behavioural traits
- Interbreeding tests
- Morphological similarities
- Respiration rates
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