Living BeingsCompare species
Common Sunflower
Helianthus annuus
Tiger
Panthera tigris
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 | Common Sunflower | Tiger |
|---|---|---|
| Nutrition | Data unavailable | Carnivorous Source ↗ |
| Social organization | Not applicable | Generally solitary Source ↗ |
| Physical traits | Rough, hairy stems carry broad, toothed leaves. Yellow ray florets surround a darker central disk in familiar forms, although cultivated varieties differ in color and size. | Dark stripes break up the tiger’s outline. Stripe patterns vary from one individual to another. |
| Habitat and range | Open, sunny ground supports growth. Roadsides, fields and disturbed areas are common settings for wild or naturalized plants. | Tigers live in varied habitats, including tropical forests, mangrove swamps and temperate forest. |
| Diet and nutrition | Green leaves capture light and fix carbon through photosynthesis; roots absorb water and mineral nutrients. | Tigers mainly hunt large mammals, including deer and wild pigs. |
| Behavior and activity | Data unavailable | A tiger usually hunts by stalking its prey and attacking at close range. A tiger can communicate without meeting another tiger directly. Scratches and scent marks leave information at places another animal may visit later. In addition to stalking on land, tigers can swim well and have been observed hunting in water. |
| Reproduction and life cycle | A seed germinates, the plant grows and flowers, and new seeds mature within one growing season. It does not persist through winter as the same adult plant in cold climates. | Young tigers stay with their mother while developing the skills needed to take prey. This prolonged period of dependence is consistent with an adult life that is generally solitary. A photograph of a female with cubs therefore describes an important life stage rather than a permanent social group. |
| Geographic distribution | Native to North America and widely introduced through cultivation. A sunflower in a garden is not evidence of a native population. | Data unavailable |
| Ecological role | Flower heads attract insects, while mature seed heads provide food for birds and squirrels. | Data unavailable |
| Distinctive adaptations | A taproot and sturdy stem support growth in exposed places. Cultivation has selected forms with very different head sizes and branching patterns. | Individual stripe patterns have practical value to field researchers. Paired cameras can photograph the sides of a passing tiger, and repeated images of the same pattern can identify the same animal. A sequence of detections across sampling locations can support a population estimate. |
Classification
Shared ancestry
Closest shared taxon: Eukaryota.