Which of the following combinations of characters is unique to the phylum Chordata?
Bilateral symmetry, triploblastic, coelomate
Notochord, dorsal hollow nerve cord, pharyngeal gill slits, post-anal tail
Closed circulatory system, segmented body, jointed appendages
Radial symmetry, diploblastic, acoelomate
Related Questions
A taxon is a
Group of related species
Group of related families
Type of living organism
Taxonomic group of any ranking
ICBN stands for
International Code of Botanical Nomenclature
International Classification of Biological Names
International Congress of Biological Nomenclature
International Code of Biological Naming
According to binomial nomenclature, scientific name of an organism consists of
Generic name
Specific epithet
Both (1) and (2)
None of these
The number of species classified in โSpecies Plantarumโ is
5000
6000
4000
3800
Phenetic classification of organism is based on
Observable characteristics of existing organisms
The ancestral lineage of existing organism
Dendrogram based on DNA characteristics
Sexual characteristics
An example for the artificial system of classification is
Linnaean system
Engler and Prantl system
Bentham and Hooker system
Phylogenetic system
The term used to describe a plant species found only in a specific valley in the Himalayas is:
Indigenous
Exotic
Ubiquitous
Endemic
Scientific name are printed (with english) and derived from
Bold and English
Italics and Latin
Italics and German
Italics and French
What is the scientific name for humans?
Panthera tigris
Homo sapiens
Solanum tuberosum
Canis lupus familiaris
Term โTaxonomyโ was coined by
De Candolle
Takhtajan
Linnaeus
Aristotle