Polyphyletic groups are problematic in taxonomy because they:
Include all descendants of a common ancestor.
Include the most recent common ancestor and all its descendants.
Do not include the most recent common ancestor of all members.
Represent a single evolutionary lineage.
Related Questions
The taxonomic category which comes just after species in ascending order of taxonomic hierarchy is
Family
Genus
Order
Division
The taxonomic unit phylum in the classification of animals is equivalent to which hierarchical level in classification of plants
class
order
division
family
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.
Who is regarded as Father of Taxonomy?
Hooker
Linnaeus
Aristotle
De Candolle
Huxley is father of
Classical taxonomy
Artificial taxonomy
Neo-taxonomy
Adansonian taxonomy
The primary goal of in-situ conservation is to:
Create artificial environments for species preservation
Store genetic material for future use
Protect and maintain ecosystems and natural habitats
Breed endangered species in captivity
Carolus Linnaeus first described the mango. Which of the following correctly represents its scientific name?
mangifera Indica
Mangifera indica
Mangifera indica
Mangifera Indica
The framework system of classification in which various taxonomic categories are arranged in order of logical sequence is called
Systematics
Classification
Hierarchy
Taxon
Among the following, which represents an ex-situ conservation strategy for endangered plant species?
National park
Wildlife sanctuary
Sacred grove
Seed bank
A perennial shrub has compound leaves and solitary zygomorphic and epigynous flowers. Each flower reveals dichlamydeous condition with many stamens and multiple fruit with exalbuminous seeds. What is the ratio of advanced and primitive characters in it?