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With propagules at Muzhappilangad aerial stilt roots. Rhizophora mucronata is a small to medium size evergreen tree growing to a height of about 20 to 25 metres (66 to 82 ft) on the banks of rivers.
Evolution is the change in the heritable characteristics of biological populations over successive generations. [1] [2] It occurs when evolutionary processes such as natural selection and genetic drift act on genetic variation, resulting in certain characteristics becoming more or less common within a population over successive generations. [3]
The variety of male copulatory organs in species of Dactylogyrus. Other characteristics of Dactylogyrus species include the appearance of four eye-spots, 14 marginal hooks (7 pairs), one to two connective bars and two needle-like structures and spindle-shaped dactylogyrid-type seminal vesicles. [5]
Multiple individuals have sprouted from turmeric rhizomes. Some monocots can reproduce asexually without the need for seeds. Clonal propagation is the production or division of vegetative structures which develop into new individuals that are genetically identical to their progenitor.
See Snake scales for terminology. A many-striped skink in Bali, Indonesia. Eutropis multifasciata is a species of skink that often shows prominent coloured dorsal bands. They have a number of other distinctive features that allows this species to be distinguised from other species, particularly in the detail of the arrangement of their scales.
Trioceros melleri, close-up of head. The largest of the chameleons from the African mainland, adult T. melleri generally are 30–61 cm (12–24 in) in total length and 300–500 g (11–18 oz) in weight, but exceptionally large individuals have reputedly been up to 76 cm (30 in) in length and 600 g (21 oz) in weight.
The rhinoceros hornbill (Buceros rhinoceros) is a large species of forest hornbill (Bucerotidae).In captivity it can live for up to 35 years. It is found in lowland and montane, tropical and subtropical climates and in mountain rain forests up to 1,400 metres in Borneo, Sumatra, Java, the Malay Peninsula, Singapore, and southern Thailand.
Chlorella is a genus of about thirteen species of single-celled or colonial green algae of the division Chlorophyta.The cells are spherical in shape, about 2 to 10 μm in diameter, and are without flagella.