The Living World

They share more common morphological features with each other than with species of other genera like Felis

Step 1: A genus is defined as a group of related species that share more characters in common compared to species of other genera. Step 2: Lion, tiger, and leopard all belong to genus Panthera because they share more morphological similarities with each other (large size, roaring ability, similar skull structure) than with cats of genus Felis. Step 3: They are DIFFERENT species — they do NOT freely interbreed (that would make them the same species). Step 4: They all belong to the same family (Felidae) AND the same order (Carnivora) — they are not in different orders. Step 5: While they are all

The generic name should start with a capital letter and the specific epithet should start with a small letter

Step 1: In binomial nomenclature, strict capitalization rules must be followed. Step 2: The first word (generic name / genus) MUST start with a CAPITAL letter. Step 3: The second word (specific epithet) MUST start with a SMALL (lowercase) letter. Step 4: In 'mangifera Indica' — 'mangifera' (genus) starts with a lowercase letter (violation!) and 'Indica' (specific epithet) starts with a capital letter (another violation!). Step 5: The correct form is 'Mangifera indica'. There is no rule requiring three components — binomial means two components, and the specific epithet always follows the gener

To ensure each organism has only one universally accepted scientific name, preventing duplication or confusion

Step 1: The fundamental problem in biology is that the same organism may have different local names in different countries, languages, or regions. Step 2: ICBN (for plants) and ICZN (for animals) provide universally agreed-upon principles and criteria for naming organisms. Step 3: These codes ensure: (a) each organism has only ONE valid scientific name, (b) the same name is not used for two different organisms, and (c) the description of the organism is accurate and universally understood. Step 4: While names are often in Latin, the codes do more than just translate — they govern all rules of

They are different species but share more morphological similarities with each other than with species of other genera

Step 1: The definition of a genus states that it comprises a group of related species which have more characters in common compared to species of other genera. Step 2: 'tuberosum' and 'nigrum' are DIFFERENT specific epithets — meaning they are DIFFERENT species. They cannot produce identical offspring when crossed (that would require being the same species). Step 3: Since they share the same genus name 'Solanum', it tells us they share more common morphological features with each other than with plants of other genera (like Petunia or Datura). Step 4: Belonging to the same genus does NOT mean