Volant adaptations

Volant adaptations

Introduction Animal inhabiting the aerial environment show many Volant (flying) adaptation for the aerial mode of existence. These animals are known as volant forms. Fishes, amphibians, reptiles, birds and mammals among vertebrates, and insects among invertebrates exhibit volant adaptations. Flight is of two types: i) active or true flight b) passive flight or gliding. A) … Read more

Characteristics and economic importance of family Papilionaceae (Leguminosae)

1. Diagnostic features : Mostly herbs, rarely shrubs or trees, often climbing. Leaves alternate, stipulate, simple, or imparipinnately compound. Flowers bisexual, zygomorphic, corolla papilionaceous, aestivation descending- imbricate, posterior petals outermost, stamens 10 or 9, monadelphous or diadelphous, rarely free. Gynoecium monocarpellary, unilocular with marginal placentation. Fruit a legume or pod.  2. Distribution : Includes about 482 … Read more