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2007-03-28 03:16:31 · 3 answers · asked by maher f 1 in Science & Mathematics Botany

3 answers

It is Tropical Environment-

The tropics are the geographic region of the Earth centered on the equator and limited in latitude by the Tropic of Cancer in the northern hemisphere, at approximately 23°30' (23.5°) N latitude, and the Tropic of Capricorn in the southern hemisphere at 23°30' (23.5°) S latitude. This region is also referred to as the tropical zone and the torrid zone.

Kindly click on the link below to see the zone-

http://en.wikipedia.org/wiki/Image:World_map_torrid.svg

This area includes all the areas of the Earth where the sun reaches a point directly overhead at least once during the solar year. (In the temperate zones, north of the Tropic of Cancer and south of the Tropic of Capricorn, the sun never reaches an angle of 90° or directly overhead.) The word "tropics" comes from Greek tropos meaning "turn", because the apparent position of the Sun oscillates between the two tropics with a period that defines the average length of a year.

Tropical plants and animals are those species native to the tropics. Tropical is also sometimes used in a general sense for a tropical climate, a climate that is warm to hot and moist year-round, often with the sense of lush vegetation. However, there are places in the tropics that are anything but "tropical" in this sense, with even alpine tundra and snow-capped peaks, including Mauna Kea, Mt. Kilimanjaro, and the Andes as far south as the northernmost parts of Chile and Argentina. Places in the tropics which are drier with low humidity but extreme heat are such as the Sahara Desert and Central Africa and Northern Australian Outback.

Tropical ecosystems may consist of rainforests, dry deciduous forests, spiny forests, desert and other habitat types. There are often significant areas of biodiversity and species endemism present particularly in rainforests and dry deciduous forests. Some examples of important biodiversity and/or high endicism ecosystems are: Costa Rican rainforests, Madagascar dry deciduous forests, Waterberg Biosphere of South Africa and eastern Madagascar rainforests. Often the soils of tropical forests are low in nutrient content making them quite vulnerable to slash-and-burn techniques, which are sometimes an element of shifting cultivation agricultural systems.

Temperatures near the equator are high all year round (except at altitude).

In many tropical regions people identify two seasons: wet and dry.

However, most places close to the equator are wet throughout the year, and seasons can vary depending on a variety of factors including elevation and proximity to an ocean.

The surface of the Earth at the equator is mainly ocean. The highest point on the equator is 4,690 m, at 00°00′00″S, 77°59′31″W on the south slopes of Volcán Cayambe (summit 5,790 m) in Ecuador. This is a short distance above the snow line, and is the only point on the equator where snow lies on the ground.

http://en.wikipedia.org/wiki/Image:World_map_with_equator.jpg

2007-03-31 01:52:53 · answer #1 · answered by Anonymous · 0 0

From about 30 degrees North to 30 degrees South.

2007-03-28 03:18:43 · answer #2 · answered by Anonymous · 0 0

Area on either side of equator is called tropical. Environment is very hot & humid all 365 days, and it rains almost every day. This results in thick forests and called tropical forest.

2007-03-28 03:41:47 · answer #3 · answered by manjunath_empeetech 6 · 1 0

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