Human (Homo sapiens)

Human (Homo sapiens) is a species of animal in the Hominidae, bipedal, large and complex brains that allow the development of sophisticated tools, are omnivores and have used fire to prepare and cook food, are highly social and tend to live in complex social structures.

H. sapiens has a body consisting of legs, trunk, arms, neck and head. The only primate to have short, relatively flat canines and gradually lose third molars with some individuals not having them congenitally.

Residual tail, appendix, flexible shoulder joints, opposing clasped fingers and thumbs, comparable density of hair follicles to other apes dominated by vellus hair which is mostly so short and thin that it is practically invisible. Average height 171 cm, has an accurate throw and is the best long distance runner in the animal kingdom.

Each somatic cell has two sets of 23 chromosomes, each set received from one parent. Gametes have only one set of chromosomes as a mixture of two parent sets. XY sex determination system, females have XX sex chromosomes and males have XY. Most reproduction is via internal fertilization, gestation period is 38 weeks, but normal pregnancy can vary up to 37 days.

Human is highly adapted and cosmopolitan and is found in almost all regions of the world, including tropical rainforests, arid deserts, the frigid Arctic region, and highly polluted cities.

Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Primates
Suborder: Haplorhini
Infraorder: Simiiformes
Family: Hominidae
Subfamily: Homininae
Tribe: Hominini
Genus: Homo
Species: Homo sapiens

Quail grass (Celosia argentea)

Boroco or quail grass ( Celosia argentea ) is a species of plant in the Amaranthaceae, a shrub with erect stems, maroon or green in color, requiring full sun, widely used as ornamental plants and flowers by the distinctive form of erect spikes. C. argentea has a strong stem with many branches from the lowest base to the apex to form a dense plant, but it opens and tapers upwards to a height of up to 1.5 meters, is maroon or green in color and the surface has vertical grooves. Single leaf 5-15 cm long, base and tip pointed, oval or lance-shaped and strongly veined, a main vein linear and straight with several minor veins towards the sides and curved, slightly wavy margins, upper surface maroon or green. Abundant flowers growing at the tips of branches above the leaves, sturdy, erect cylindrical, 2-15 cm long and depending on the cultivar, pointed tip, white on the underside and maroon on the top or one of these and often develop a silver sheen. Flowers are visited by bees, wasps, but...

Acacia visco (Parasenegalia visco)

Acacia visco ( Parasenegalia visco ) is a species of plant in the Fabaceae, perennial tree, 6-25 meters high, straight, branched stem, brown and cracked bark, yellow and fragrant flowers, grows in forests, plantations, outskirts rivers and roadsides at elevations of 0-3000 meters. P. visco has leaves in clusters, long with stalks up to 50 cm, leaves in rows along the stalk, sitting opposite each other, up to 23 items, up to 6 cm long. The strands are elongated egg-shaped, 5 mm long and 1 mm wide. Flowers are white and small. Wood is used in making cupboards. Kingdom: Plantae Phylum: Tracheophyta Subphylum: Angiospermae Class: Magnoliopsida Order: Fabales Family: Fabaceae Subfamily: Mimosoideae Genus: Parasenegalia Species: Parasenegalia visco

Wild durian (Cullenia exarillata)

Wild durian ( Cullenia exarillata ) is a species of plant in the Malvaceae, a tall tree with smooth, greyish-white bark, peeling on older trees, a straight trunk, horizontal branches and often with a series of knob-like tubercles for flower and fruit attachment. C. exarillata has young branches and the underside of the leaves is covered with golden brown peltate or shield-like scales. The leaves are single, alternate, glabrous, glossy green on the upper side and covered with silvery or orange peltate scales on the underside. Hermaphroditic flowers are tubular and also covered with golden brown scales, 4-5 cm long and cream or reddish brown in color. Flowers have no petals, formed of tubular bracteoles and tubular calyxes, 5-lobed. Fruit is round, 10-13 cm in diameter, covered with thorns and clustered along the branches. Many seeds, reddish brown, 4-5 cm long and 2-3 cm wide. The seeds are enclosed by a fleshy, whitish aril. The fruit splits open when ripe and dries to release the s...

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