Fossils tell us what types of organisms lived millions of years ago. They give us an idea of early man, too. The study of fossils is known as ‘palaeontology’. There are three types of fossils: • It could be an organism’s actual preserved body, appearing like it originally looked.• It could be only the outer […]
• Common name : Winter Rocket • Scientific name : Barbarea vulgaris • Family : Brassicaceae • Native land : Eurasia, North America They are small herbaceous biennial or perennial plants with dark green, deeply lobed leaves and yellow flowers with four petals. The stem is ribbed and hairless, branched at the base. The fruit
• Common name : Land Cress • Scientific name : Barbareaverna • Family : Brassicaceae • Native land : South-Western Europe and Florida This is a biennial plant. The plant grows up to 1 feet tall. The basal leaves are dark green, shiny and deeply lobed with a tall yellow flower spike in spring. It
• Common name : Common Bamboo • Scientific name : Bambusa vulgaris • Family : Poaceae • Native land : East Asia, Eastern and Southern India and the Himalayas, Northern Australia, sub-Saharan Africa, Argentina and Chile Bamboos are the flowering perennial evergreen plants. They are some of the fastest-growing plants in the world. Certain species
A fog is a kind of cloud, which is found close to the ground or sea surface instead of sky. It is formed when cold air comes in contact with the warm surface of water or land. It is mostly formed at night or in the early morning over small water bodies or lowlands. During
• Common name : Water Hyssop/Brahmi • Scientific name : Bacopamonnieri • Family : Plantaginaceae • Native land : Wetlands of Southern India, Australia, Europe, Africa, Asia, and North and South America It is a perennial, creeping herb. The leaves of this plant are succulent, oblong and 4-6 millimetres thick. The leaves are oblanceolate and
• Common name : Cornflower • Scientific name : Centaureacyanus • Family : Asteraceae • Native land : Europe, North America and parts of Australia It is an annual flowering plant. The plant blooms from late spring to summer. It grows up to 3 feet tall. Most plants grow roughly 1 to 3 feet tall
• Common name : Mosquito Fern • Scientific name : Azollacaroliniana • Family : Salviniaceae • Native land : North, Central and South America It is an annual floating fern and resembles algae. Normally, azolla is grown in paddy fields or shallow water bodies. It multiplies very rapidly. The plants can be dark green, dark
• Common name : Rosebay • Scientific name : Rhododendrons azalea • Family : Ericaceae • Native land : South-Eastern Asia, North- Western Himalayas, Tibet and Western and Central China extending south and east to Malaysia and the Philippines It is the national flower of Nepal. It is an evergreen, shrub-type plant with bell-shaped flowers.
Smoke is the visible gas that comes out after incomplete burning of fuels. If a fuel is completely burnt, it gives off carbon dioxide, water vapour and free nitrogen, and does not give off any smoke. Smoke is generated only when fuels do not get proper conditions for combustion like enough oxygen and high temperature.
• Common name : Avocado • Scientific name : Perseaamericana • Family : Lauraceae • Native land : Mexico, Central America and South America It is a multi-stemmed tropical evergreen tree. Avocado leaves are typically glossy, elliptic to ovate and dark green. Small greenish-yellow flowers bloom in panicles, followed by green-skinned, pear-shaped to rounded fruit.
The ocean water is salty due to elements, ions and compounds dissolved in it. The constant erosion and breaking down of rocks causes elements, ions and compounds to be continuously washed away to the ocean, through streams and rivers. Though salt keeps coming into the ocean in this manner, it gets removed too through sprays
• Common name : False Rockcress • Scientific name : Aubrietadeltoidea • Family : Brassicaceae • Native land : European mountains This belongs to the cabbage family and is a perennial plant. But it is widely planted in rock gardens worldwide as an ornamental plant. It forms a low cushion of evergreen leaves, literally smothered
• Common name : Aster Zigzag • Scientific name : Symphyotrichum prenanthoide • Family : Asteraceae • Native land : Eastern North America and Eastern Canada The plant is named after the curious twist in its leaves. It is a perennial flowering plant. It is among the last flowers of autumn. This plant grows in
• Common name : Hart’s-tongue Fern • Scientific name : Aspleniumscolopendrium • Family : Aspleniaceae • Native land : Michigan and New York, Japan and Europe It is an evergreen fern. It has an unusual, almost tropical appearance, with wide, leathery-green fronds that are strap-shaped. Plants form a low clump, best suited for rock gardens