Grade 12 Taxonomy Worksheet
A Grade 12 science worksheet covering the principles of biological taxonomy, including hierarchical classification, binomial nomenclature, and phylogenetic relationships.
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Grade 12 Taxonomy Worksheet
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Read each question carefully and answer to the best of your ability. Show all your work where applicable. This worksheet covers topics related to biological taxonomy.
1. Which of the following taxonomic ranks is the most inclusive (broadest)?
Family
Order
Kingdom
Genus
2. The scientific name for humans is *Homo sapiens*. This is an example of:
Phylogenetic tree
Binomial nomenclature
Homologous structures
Convergent evolution
3. The branch of biology concerned with the classification of organisms is called .
4. A is a diagram that represents evolutionary relationships among organisms.
5. The two main components of a scientific name are the and .
6. All organisms classified within the same family must also belong to the same genus.
True
False
7. Analogous structures are evidence of common ancestry.
True
False
8. Explain the difference between homologous and analogous structures in the context of taxonomy.
9. Briefly describe the contributions of Carolus Linnaeus to the field of taxonomy.
Match each taxonomic rank with its description.
10. Domain
a. A group of organisms that can interbreed and produce fertile offspring.
11. Kingdom
b. The broadest taxonomic rank, above kingdom.
12. Species
c. A major grouping of organisms, such as Animalia or Plantae.