Living BeingsCompare species
Brown Bear
Ursus arctos
African Baobab
Adansonia digitata
How to compare two organisms
Choose two species and trace their closest shared group. Then compare a trait with the same definition on each side. Check the units, life stage and context before interpreting a measurement or range.
Missing data means that the collection lacks a sourced value. Where a characteristic does not apply to a lineage, the comparison labels it separately. Open the two profiles for context and follow their sources before drawing a conclusion.
Evidence from the profiles
Compare their characteristics
| Trait | Brown Bear | African Baobab |
|---|---|---|
| Physical traits | Coat shades range from pale to dark brown. Long claws and developed shoulder muscles support digging and other demanding movements. | Thick, fibrous bark surrounds a broad trunk. Each compound leaf has several leaflets radiating from a central point. |
| Habitat and range | Forests, open mountain country and tundra can support bears where food and secure resting areas remain. | A terrestrial tree of tropical Africa, it is adapted to seasonally dry conditions and is also planted in gardens and settlements. |
| Diet and nutrition | Plant foods, invertebrates, fish, other vertebrates and carrion contribute in different proportions according to season and locality. | Leaves produce sugars through photosynthesis. Water and mineral nutrients are taken up through the roots. |
| Behavior and activity | Most adults forage alone. Seasonal denning and intensive feeding before winter are important in many populations. | Data unavailable |
| Reproduction and life cycle | Cubs are born in the maternal den and remain dependent on their mother during an extended learning period. | Large, hanging white flowers develop into capsules containing seeds embedded in pale, powdery pulp. New trees can be grown from seed. |
| Geographic distribution | The species occurs in parts of Eurasia and North America. Populations differ considerably in size, connectivity and history. | Native to Africa and cultivated elsewhere. The accompanying photograph shows a planted specimen in Madagascar; that location should not be confused with the native range of every baobab species. |
| Ecological role | Bears redistribute nutrients through feeding, digging and movement. They can be predators, scavengers and seed dispersers. | Its flowers, fruit and extensive woody structure provide biological resources. The familiar name baobab also applies to other species, which should not be confused with this one. |
| Distinctive adaptations | Fat storage and flexible feeding help meet strong seasonal changes in food supply. | A substantial trunk and drought-resistant growth form help distinguish this tree from many humid-forest trees. |
| Conservation | Habitat fragmentation and conflict with people can threaten local populations even where the species remains widespread. | Data unavailable |
Classification
Shared ancestry
Closest shared taxon: Eukaryota.