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
Who coined the term βPhylumβ?
Cuvier
Aristotle
Ernst Haeckel
Hooker
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
Which taxonomic category is immediately below 'Class' in the hierarchical classification?
Family
Genus
Order
Phylum
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
Which of the following taxonomic category is represented by Solanum in the scientific name solanum tuberosum ?
Family
Genus
Order
Division
Select the wrong statements.
(I) Lower the taxon, more are the characteristics that the member within the taxon share.
(II) Order is the assemblage of genera which exhibit a few similar characters.
(III) Cat and dog are included in the same family-Felidae.
(Iv) Binomial nomenclature was introduced by Carolus Linnaeus.
I, II and III
II, III and IV
I and IV
II and III
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.
Which one is the correct hierarchical order in Taxonomy?
Kingdom>phylum/division>class>order>family>genus
Kingdom>phylum/division>class>order>genus>species.
Kingdom>phylum/division>class>order>family>genus>species.
phylum/division>class>order>family>genus>species.
What name would be suggested for phylum in classification of plants?
Phylum
Sub-division
Division
Both (2) and (3)
Cladistics can be defines as
The relationship between sub-species and species
Relationship between two most forward races
Relationship between endangered and surviving species
Method of classification that attempt to interface phylogenetic relationship