Examples of 'species have been described' in a sentence
Meaning of "species have been described"
The phrase 'species have been described' typically refers to the scientific process of identifying and documenting a new species. When a species is described, it means that scientists have carefully studied and documented its characteristics, behavior, and habitat, in order to formally recognize and categorize it in the scientific literature
How to use "species have been described" in a sentence
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species have been described
Most species have been described in recent years.
Several different varieties and forms of this species have been described.
Many species have been described just recently.
Few dicot shrubs with multiple branching and secondary growth species have been described.
Over one hundred species have been described.
Species have been described and this number is expected to increase substantially.
Numerous fossil species have been described.
Many species have been described recently and many more are waiting to be described.
This is low compared with other countries over one million species have been described worldwide.
Two species have been described to date.
More than half of all known Heliamphora species have been described by Wistuba.
Seven species have been described so far.
In addition, a few carnivorous species have been described.
Both the species have been described and illustrated.
Even so, several fossil chaetognath species have been described.
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species have become
species have become extinct
species have been discovered
species have been found
species have become extinct
species have been discovered
species have been found
Over a hundred species have been described in eight genera.
Approximately 3 dozen genera and an even greater number of species have been described.
At present five species have been described in this family.
For the genus Coniophis, a number of other species have been described.
Further new species have been described since then.
In the 21st century three additional new species have been described.
Only four species have been described.
In Protatlanta, however, a few additional fossil species have been described.
About eleven species have been described.
Species have been described in 6 genera.
Thousands of species have been described.
The family is found worldwide and more than 1300 species have been described.
Eighteen species have been described.
Less than 10 % of two million marine species have been described.
Three species have been described.
Phospholamban ( PIN ) sequences from various species have been described and published.
Two species have been described.
Eight genera with about 80 species have been described.
Several species have been described based on very poor remains.
To date, twenty-two Trichuris species have been described.
Many of the species have been described from badly preserved specimens.
A total of 38 extant species, all in the family Polychelidae, and 55 fossil species have been described.
Bacillus species have been described.
New species have been described since 2000, and there are unnamed species yet to be described.
More than 50 fossil species have been described.
Several new species have been described here and many threatened species are still well represented.
The colour varieties of the species have been described as separate species many times.
Four species have been described in the genus Boreostemma.
Altogether some 28 species have been described.
Two species have been described in North America.
That less than 2 % of species have been described to date.
More than 20 species have been described causing different forms of the disease in the humans.
Some 60 extant species have been described.
Trichosporon species have been described as opportunistic agents that cause systemic disease in immune-compromised patients.
At least 12 species have been described.
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Reproducing the species over and over
Examples of using Described
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You described them perfectly in your book
Use the appliance as described in the manual
Described in the functional and technical specifications
Examples of using Have
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These documents have been in my family for centuries
Have this done by the customer service only
He could not have chosen a worse time
