which are the different types of species
Answers
Explanation:
1Typological Species Concept. In this concept, there is a finite number of varieties of living organisms that exist on earth. ...
2Nominalistic Species Concept. ...
3Biological Species Concept. ...
4Evolutionary Species Concept. ...
5Taxonomic Species. ...
6Microspecies. ...
7Biological Species. ...
8 Evolutionary Species.
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Answer:
Biological Species Concept
In the middle of the 18th century, a fresh concept called the biological species concept appeared. This concept was acknowledged in the later half of the nineteenth-century once Darwin’s “Origin of Species” was published (in 1859). This is also known as Newer Species concept.
K. Jordan was the first to formulate this concept in 1905. Later in 1940, Mayr supported this concept. As per this concept, “a species is a group of interbreeding natural population that is reproductively isolated from other such groups”. Mayr described that the members of a species exhibit these attributes:
Reproductive community: For the purpose of reproduction the individuals of a species recognize one another as potential mates.
Ecological Unit: The species’ members differ from each other due to many attributes, but all the members cooperatively form a unit. They interact with other species as a unit in any environment.
Genetical unit: Species comprises a large, inter-communicating gene pool, although the individual is simply a non-permanent vessel comprising a small part of the contents of the gene pool for a shorter duration.
Evolutionary Species Concept
The flaws of the biological species concept had led the palaeontologists to formulate the evolutionary species concept.
Simpson (in 1961) had defined it as “an evolutionary species is a lineage (an ancestral- descendant sequence of populations) evolving separately from others and with its own unitary evolutionary role and tendencies”.
Wiley (in 1978) had provided a revised definition of the evolutionary species concept. He stated that “an evolutionary species are a single lineage of ancestral-descendant population which draws its identity from other such lineages and has its own evolutionary tendencies and historical fate”.
Also Read: Anagenesis
Types of Species
Following are the different types of species:
Taxonomic Species
It includes a group of morphologically similar organisms.
Microspecies
The population is obtained from a single parent.
Biological Species
It includes the population that involves sexually reproducing individuals.
Evolutionary Species
It is a combination of sexually reproducing organisms, phyletic lineages and uniparental organisms.
Successional Species
It includes phyletic lineages.
Further Reading: Flagship Species
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Frequently Asked Questions
What is a species?
Species is defined as the group of living organisms that can interbreed to produce fertile offspring.
What is a genetic species concept?
The genetic species concept states that all the organisms are capable of inheriting traits from each other through a common gene pool.
How is biodiversity divided?
Biodiversity is divided into three different types:
Genetic biodiversity
Species biodiversity
Ecosystem biodiversity
What is the phylogenetic species concept?
Phylogenetic species concept states that a few organisms have descended from a common ancestor and possess a combination of certain derived traits.
Who proposed the concept of species?
The concept of species was proposed by a zoologist Mayr in the year 1942