Which of the following is not a valid reason why the morphological species concept can be problematic?
It can be difficult to distinguish between intraspecific variation and interspecific differences.
Cryptic species may be morphologically identical but reproductively isolated.
It requires detailed genetic analysis.
Morphological traits can be influenced by environmental factors leading to phenotypic plasticity.
Related Questions
Statement 1: There are seven obligate categories in hierarchy of taxonomyStatement 2: Other categories of similar type can be called as intermediate categories
Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1
Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1
Statement 1 is True, Statement 2 is False
Statement 1 is False, Statement 2 is True
Select the incorrect match w.r.t taxonomic categories of mango.
Order: Sapindales
Family: Anacardiaceae
Family: Muscidae
Genus: Mangifera
Two plants can be conclusively said to belong to the same species if they
Can reproduce freely with each other and form seeds
Have more than 90 percent similar genes
Look similar and possess identical secondary metabolites
Have same number of chromosomes.
 Solanum and Panthera are
Genus and species         Â
Genus and genus
Species and species
Only species
Which one of the following taxonomic categories can categorized rest all others
Family
Genus
Class
order
Nomenclature is governed by certain universal rules which one of the following is contrary to the rules of nomenclature?
The first word in a biological name represents the genus name and the second is a specific epithet
The names are written in Latin and are italicized
When written by hand the names are to be underlined
Biological names can be written in any language
Select true statement from the following and choose the right answer from the option given below I. Human’s scientific name is Homosapiens II. Systema naturae is written by John Ray III. Highest taxonomic categories is division IV. Taxonomic group of any rank is taxon V. A group of closely related species of organism represent genus VI. The term ‘systematic’ was coined by de Candolle
II, III, IV and VI
I, III, V and VI
I, IV and V
II, III and VI
 Solanum and Panthera are
Genus and species         Â
Genus and genus
Species and species
Only species
Which of the following is a merit in the Bentham and Hooker’s system of classification?
The position of gymnosperms in between dicots and monocots
Closely related families are placed apart
The placement of family-Asteraceae in the beginning of Gamopetalae
The placement of order-Ranals in the beginning
Which of the following statements regarding universal rules of nomenclature is wrong?
Cations are named first, followed by anions.
The oxidation state of a metal is indicated by a Roman numeral in parentheses when necessary.
Numerical prefixes are used to denote the number of atoms of each element in a molecular compound.
The suffix '-ide' is always used for the second element in a binary compound.
