Polar bear vs

Ursus maritimus compared with Roseibium album

Key Differences

• Polar bear is Vulnerable while is Not Evaluated.

Taxonomic Classification

Rank	Polar bear
Kingdom	Animalia (Animals)	Bacteria (Bacteria)
Phylum	Chordata (cordados)	Proteobacteria (Proteobacteria)
Class	Mammalia (mamíferos)	Alphaproteobacteria (Alphaproteobacteria)
Order	Carnivora (carnívoros)	Rhizobiales (Rhizobiales)
Family	Ursidae (Bears)	Stappiaceae
Genus	Ursus (Bears)	Roseibium
Species	Ursus maritimus	Roseibium album

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

NE — Not Evaluated

Physical Characteristics

Attribute	Polar bear
Diet	Carnivore	—
Average Lifespan	25 years	—
Average Length	2.4 m	—
Average Weight	450.0 kg	—

Habitat & Geographic Range

Polar bear

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan.

Polar bear

O maior carnivoro terrestre da Terra, o urso-polar pode ultrapassar 700 kg e e encontrado pelo gelo marinho artico, do Canada ate a Russia. Mamiferos marinhos altamente especializados que dependem do gelo marinho para cacas de focas e focas-barbadas. Excelentes nadadores capazes de percorrer grandes distancias em aguas abertas. Classificado como Vulneravel, com populacoes sob severa pressao devido a rapida perda de gelo marinho artico causada pelas mudancas climaticas.

Roseibium album e uma alfaproteobacteria gramnegativa da familia Rhodobacteraceae capaz de fotossintese anoxigenica aerobia usando bacterioclorofila. Foi isolada de sedimentos marinhos costeiros e forma colonias brancas a palidas, atipicas para muitas bacterias fototroficas. Sua versatilidade metabolica permite alternar entre crescimento fotosintetico e heterotrofico dependendo da disponibilidade de luz.