Living BeingsCompare species
Dictyostelium discoideum
Dictyostelium discoideum
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 | Dictyostelium discoideum | African Baobab |
|---|---|---|
| Physical traits | Feeding cells are amoeboid. Developing aggregates, migrating slugs and stalked fruiting bodies have very different appearances. | Thick, fibrous bark surrounds a broad trunk. Each compound leaf has several leaflets radiating from a central point. |
| Habitat and range | Soil-associated and decaying-organic-matter environments provide bacterial food and surfaces for development. | A terrestrial tree of tropical Africa, it is adapted to seasonally dry conditions and is also planted in gardens and settlements. |
| Diet and nutrition | Vegetative amoebae ingest bacteria. Resource depletion changes development rather than simply producing a smaller feeding cell. | Leaves produce sugars through photosynthesis. Water and mineral nutrients are taken up through the roots. |
| Behavior and activity | Chemical signaling coordinates aggregation and collective movement during the developmental response to starvation. | Data unavailable |
| Reproduction and life cycle | Feeding cells multiply individually. Aggregation leads to a multicellular stage and then stalk and spore differentiation; spores can restart feeding growth. | Large, hanging white flowers develop into capsules containing seeds embedded in pale, powdery pulp. New trees can be grown from seed. |
| Geographic distribution | Authenticated environmental isolates and laboratory strains have distinct collection histories. Research use is not a complete map of wild occurrence. | 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 | Its transition between independently feeding cells and multicellular development makes environmental conditions central to its biology. The genome study identified many systems for producing and exporting small molecules, providing a genetic framework for investigating how an amoeba coordinates behavior with other cells. | 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 | The transition between feeding independence and coordinated dispersal is a distinctive response to changing resource conditions. | A substantial trunk and drought-resistant growth form help distinguish this tree from many humid-forest trees. |
Classification
Shared ancestry
Closest shared taxon: Eukaryota.