vs Polar bear
Micromonospora melanospora compared with Ursus maritimus
Key Differences
- is Not Evaluated while Polar bear is Vulnerable.
Taxonomic Classification
| Rank | Polar bear | |
|---|---|---|
| Kingdom | Bacteria (Bacteria) | Animalia (動物) |
| Phylum | Actinobacteriota (Actinobacteriota) | Chordata (脊索動物) |
| Class | Actinomycetia (放線菌綱) | Mammalia (哺乳類) |
| Order | Mycobacteriales (コリネバクテリウム目) | Carnivora (ネコ目) |
| Family | Micromonosporaceae | Ursidae (Bears) |
| Genus | Micromonospora | Ursus (Bears) |
| Species | Micromonospora melanospora | Ursus maritimus |
Conservation Status
Polar bear
VU — VulnerablePopulation: ~26.0K
Trend: Decreasing ↓
Physical Characteristics
| Attribute | Polar bear | |
|---|---|---|
| Diet | — | Carnivore |
| Average Lifespan | — | 25 years |
| Average Length | — | 2.4 m |
| Average Weight | — | 450.0 kg |
Habitat & Geographic Range
Native to Asia, inhabiting ecosystems characteristic of the region.
Found in Taiwan.
Polar bear
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.
Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.
Micromonospora melanospora は Micromonosporaceae 科に属するグラム陽性放線菌で、メラニンを含む暗色色素胞子の産生が特徴です。他の Micromonospora 種と同様に土壌と水生堆積物に生息し、セルロースとキチンの分解に役割を果たします。この属の構成員は抗生物質を含む生理活性二次代謝産物の旺盛な産生者です。
Polar bear
地球上で最大の陸上肉食動物であるホッキョクグマは700kgを超えることがあり、カナダからロシアまでの北極海氷域全体に分布する。ワモンアザラシとヒゲアザラシを狩るために海氷に依存する高度に特化した海洋哺乳類である。広大な距離を泳ぐことができる優れた泳者でもある。脆弱種に指定されており、気候変動による急激な北極海氷の消失で個体群が深刻な圧力を受けている。
Related Comparisons
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