Sequence of taxonomic categories is _____________.
class - phylum - tribe - order - family - genus - species
division - class - family - tribe - order - genus - species
division - class - order - family - tribe - genus - species
Phylum - order - class - tribe - family - genus - species
Phenetic classification is based on _______________.
sexual characteristic
the ancestral lineage of existing organisms
observable characteristics of existing organsims
dendrograms based on DNA characteristics
Which of the following is the most important for speciation?
Seasonal isolation
Reproductive isolation
Behavioural isolation
Tropical isolation
Plants reproducing by spores such as mosses and ferns are grouped under the general term ___________.
thallophytes
cryptogams
bryophytes
sporophytes
Artificial system of classification was first used by _____________.
Linnaeus
deCondolle
Pliny
Bentham and Hooker
"Taxonomy without phylogeny is similar to bones without flesh" is the statement of (1994) ___________.
Oswald Tippo
Jojn Hutchinson
Takhtajan
Basic unit or smallest taxon of taxonomy / classification is _____________.
species
kingdom
family
variety
Phylogenetic system of classification is based on __________.
evolutionary relationships
morphological features
chemical constituents
floral characters
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
Phylogenetic classification is based on _______________.
utilitarian system
habits
overall similarities
common evolutionary descent