Let's solve each question on this
Taxonomy Classification Practice worksheet step by step.
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1. Fill in the triangle below by putting the following taxa in the correct order: phylum, order, class, kingdom, species, domain, family, genus
We need to arrange these taxonomic ranks from
broadest (most general) at the top to
most specific at the bottom.
The correct hierarchical order of biological classification is:
1.
Domain – broadest category
2.
Kingdom
3.
Phylum
4.
Class
5.
Order
6.
Family
7.
Genus
8.
Species – most specific
So, fill in the triangle from top to bottom as follows:
```
Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species
```
>
✔ This reflects the standard taxonomic hierarchy used in biology.
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2. Which two taxa do you combine to create the scientific name of an organism?
-
Genus + Species
> Example: *Homo sapiens* — *Homo* is the genus, *sapiens* is the species.
✔ Answer:
Genus + Species
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3. What is this two-name system called?
- The two-part naming system is called
binomial nomenclature.
> Developed by Carl Linnaeus in the 18th century.
✔ Answer:
Binomial nomenclature
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4. Which taxon is the broadest?
- The broadest (most inclusive) taxon is
Domain.
> It includes all organisms with similar cellular structure and genetics.
✔ Answer:
Domain
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5. Which taxon is the most specific?
- The most specific taxon is
Species.
> A species consists of individuals that can interbreed and produce fertile offspring.
✔ Answer:
Species
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6. How many domains exist currently?
- There are
three domains in modern biological classification:
1.
Bacteria
2.
Archaea
3.
Eukarya
✔ Answer:
Three
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7. Why do we use a standardized naming system for all organisms?
- We use a standardized naming system (like binomial nomenclature) so that scientists around the world can communicate clearly about organisms without confusion.
> Common names vary by language and region, but scientific names are universal and precise.
✔ Answer:
To ensure clear, consistent, and universal communication among scientists worldwide, avoiding confusion caused by different common names.
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✔ Final Answers Summary:
1. Triangle (top to bottom):
- Domain
- Kingdom
- Phylum
- Class
- Order
- Family
- Genus
- Species
2.
Genus + Species
3.
Binomial nomenclature
4.
Domain
5.
Species
6.
Three
7.
To provide a universal, consistent way to identify and communicate about organisms across languages and regions.
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Parent Tip: Review the logic above to help your child master the concept of classification worksheet answers.
