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Species are classified in nine groups, set through criteria such as rate of decline, population size, area of geographic distribution, and degree of population and distribution fragmentation.
- Extinct (EX) - No individuals remaining.
- Extinct in the Wild (EW) - Known only to survive in captivity, or as a naturalized population outside its historic range.
- Critically Endangered (CR) - Extremely high risk of extinction in the wild.
- Endangered (EN) - High risk of extinction in the wild.
- Vulnerable (VU) - High risk of endangerment in the wild.
- Near Threatened (NT) - Likely to become endangered in the near future.
- Least Concern (LC) - Lowest risk. Does not qualify for a more at risk category. Widespread and abundant taxa are included in this category.
- Data Deficient (DD) - Not enough data to make an assessment of its risk of extinction.
- Not Evaluated (NE) - Has not yet been evaluated against the criteria.
When discussing the IUCN Red List, the official term "threatened" is a grouping of three categories: Critically Endangered, Endangered, and Vulnerable.
What else can I help you with?
Are there three sexes in any known species?
Yes, some species of fungi have three sexes, known as mating types.
What are three main type of species interactions that occur in a community?
The three main types of Species Interaction would be Parasitism, Mutualism, and Commensalism.
What are the three main types of species interction that occur in a community?
The three main types of species interactions in a community are competition, predation, and mutualism. Competition occurs when species compete for limited resources, predation involves one species feeding on another, and mutualism is a symbiotic relationship where both species benefit.
What are the kind of symbiosis?
There are three main types of symbiosis: mutualism, where both species benefit from the interaction; commensalism, where one species benefits while the other is unaffected; and parasitism, where one species benefits at the expense of the other.
What were the first three types of organisms?
different species of one-celled anaerobic bacteria
What are three types of reproductive isolations?
The three types of reproductive isolation are: 1. Temporal isolation: different times of reproduction 2. Behavioral isolation: different habits of the same species 3. Geographical isolation: species are separated by natural barriers
How many types of wasps are there?
There are nearly 75,000 species of wasps worldwide, according to scientists.
What are three types of natives birds that live in Florida?
Florida is the home to many different species of birds. Three types of birds that are native to this state are the red tailed hawk, osprey, and the bald eagle.
What are you three symbiosis?
Mutualism: Both species involved benefit from the relationship. Commensalism: One species benefits while the other is not significantly harmed or helped. Parasitism: One species benefits at the expense of the other, which is harmed.
Types of mosquitoes?
Mosquitoes have over 2000 species which all fall into three genera Aedes, Anopheles andCulex
What are the three types of anteaters?
There are actually four species. The giant anteater from South America. Two species of tamanduas (arboreal). And the silky anteater, of which I recommend you look for pictures.
How many types of monkey in the world?
There are 264 known monkey species which represent two of the three groupings of simian primates (the third group being the 21 species of apes)
