Two plants can be said to conclusively belong to the same species if they ______________.
can reproduce freely with each other and form seeds
have more than 90% similar genes
look similar and possess indentical secondary metabolites
have same number of chromosomes
What is true for individuals of same species?
Live in same niche
Live in same habitat
Interbreeding
Live in different habitat
"Taxonomy without phylogeny is similar to bones without flesh" is the statement of (1994) ___________.
Oswald Tippo
Jojn Hutchinson
Takhtajan
Bentham and Hooker
Species is ____________.
basic unit of classification
unit in the evolutionary histroy of a tree
specific class of evolution
not related to evolution
Phenetic classification is based on _______________.
sexual characteristic
the ancestral lineage of existing organisms
observable characteristics of existing organsims
dendrograms based on DNA characteristics
Basic unit or smallest taxon of taxonomy / classification is _____________.
species
kingdom
family
variety
ICBN stands for ______________.
Indian congress of Biological Names
International code of Botanical Nomenclature
International congress of Biological Names
Indian code of Botanical Nomenclature
Top - shaped multicilate male gametes and the mature seed which bears only one embryo with two cotyledons, are characterisitcs features of _____________.
polypetalous angiosperms
gamopetalous angiosperms
conifers
cycads
The closely related morphologically similar sympatric populations, but reproductively isolated, are designated as _________.
clines
demes
clones
sibling species
Phylogenetic system of classification is based on __________.
evolutionary relationships
morphological features
chemical constituents
floral characters