Carrot root nematode vs Polar bear

Heterodera carotae compared with Ursus maritimus

Key Differences

Carrot root nematode is Not Evaluated while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Carrot root nematode	Polar bear
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Nematoda (Roundworms)	Chordata (Chordates)
Class	Chromadorea (Chromadorea)	Mammalia (Mammals)
Order	Rhabditida (Rhabditida)	Carnivora (Carnivorans)
Family	Heteroderidae	Ursidae (Bears)
Genus	Heterodera	Ursus (Bears)
Species	Heterodera carotae	Ursus maritimus

Evolutionary Relationship

Carrot root nematode and Polar bear share a common ancestor at the Kingdom level: Animalia. (Animals)

View Kingdom: Animalia

Conservation Status

Carrot root nematode

NE — Not Evaluated

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Carrot root nematode

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Denmark.

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.

Carrot root nematode

The Carrot Root Nematode (Heterodera carotae) is a species in the genus Heterodera. Native to Europe, inhabiting ecosystems characteristic of the region.

Polar bear

The largest land carnivore on Earth, polar bears can exceed 700 kg and are found across Arctic sea ice from Canada to Russia. Highly specialized marine mammals that rely on sea ice to hunt ringed and bearded seals. Excellent swimmers capable of covering vast distances in open water. Listed as Vulnerable, with populations under severe pressure from rapid Arctic sea ice loss due to climate change.