1. | Class | 2. | Genus |
3. | Family | 4. | Species |
I: | Biological names are generally in Latin and written in italics. |
II: | The first word in a biological name represents the genus while the second component denotes the specific epithet. |
III: | Both the words in a biological name, when handwritten, are separately underlined, or printed in italics to indicate their Latin origin. |
IV: | The first word denoting the genus starts with a capital letter while the specific epithet starts with a small letter. |
1. | Taxonomy involves the classification and naming of organisms, while systematics is the study of their evolutionary relationships. |
2. | Systematics is concerned only with the classification of organisms, whereas taxonomy includes the evolutionary history. |
3. | Taxonomy and systematics are completely interchangeable terms with no difference. |
4. | Systematics deals with the naming of organisms, and taxonomy deals with their identification. |
1. | Family | 2. | Order |
3. | Species | 4. | Class |
I: | Both words in a biological name, when handwritten, are separately underlined. |
II: | Systematics takes into account evolutionary relationship between organisms. |
III: | In case of animals, classes with a few similar characters are assigned to a higher category called Division. |
IV: | Higher the taxonomic category, higher is the ease of determining the relationship to other taxa at the same level. |