arrow worm vs Polar bear

Parasagitta elegans compared with Ursus maritimus

Key Differences

• arrow worm is Not Evaluated while Polar bear is Vulnerable.

Taxonomic Classification

Rank	arrow worm	Polar bear
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum	Chaetognatha (모악동물문)	Chordata (척삭동물)
Class	Sagittoidea (Sagittoidea)	Mammalia (포유류)
Order	Aphragmophora (Aphragmophora)	Carnivora (식육목)
Family	Sagittidae	Ursidae (Bears)
Genus	Parasagitta	Ursus (Bears)
Species	Parasagitta elegans	Ursus maritimus

Evolutionary Relationship

arrow worm and Polar bear share a common ancestor at the Kingdom level: Animalia. (동물)

Conservation Status

arrow worm

NE — Not Evaluated

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

arrow worm

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark and Norway.

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.

arrow worm

The Arrow worm, Parasagitta elegans, is a species. Native to Europe, inhabiting ecosystems characteristic of the region.

Polar bear

지구상에서 가장 큰 육상 육식동물인 북극곰은 700kg을 넘을 수 있으며 캐나다에서 러시아까지 북극 해빙 전역에 분포한다. 고리 물범과 수염 물범을 사냥하기 위해 해빙에 의존하는 고도로 특수화된 해양 포유류이다. 광활한 거리를 헤엄쳐 다닐 수 있는 뛰어난 수영 실력을 가지고 있다. 취약종으로 등재되어 있으며, 기후 변화로 인한 급격한 북극 해빙 감소로 심각한 압력을 받고 있다.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway