Tag: five kingdoms of living organisms

The mesopause is located at approximately 80-85 km altitude. This is the boundary between the mesosphere and thermosphere and is the coldest part of the atmosphere. The question uses 'menopause' which appears to be a typo for 'mesopause' (a common atmospheric science term). 80 km is the closest approximation among the options.

Subtropical climate zone:
Area - between the tropical zone and the temperate zone (25 degree to 40 degree North and South latitude).
Average temperature - 20 to 35 degree Celsius.
Precipitation - Dry, winter humidity and always wet areas.
Vegetation - Semi deciduous or evergreen forests, hardwood forest with winter rain, savannah, pasture land, semi desert, warm temperate moist forests, nemoral deciduous forests.

From $23.5^0$N to $66.5^0$N and between $23.5^0$S and $66.5^0$S are the temperate zones, where there are clear spring/summer/fall/winter seasons. The north temperate zone extends from the tropic of cancer to the arctic circle. The south temperate zone extends from the tropic of capricorn to the antarctic circle. Between $23.5^0$S and $23.5^0$N latitude we have the tropics - where high temperatures are the norm, and the sun can beat down from directly overhead once or twice each year.

Tropical region occurs at 23$^o$ N and 23$^o$ S. The region is present at the equator. It is limited in latitude by the tropic of cancer in the north and the tropic of capricorn in the south.

Pines seeds are mainly small and winged, and are anemophilous generally, which means that the seeds are dispersed by wind. However, some seeds are larger and they have only a vestigial wing and are needed to be dispersed by a bird. Thus, If at high altitudes, birds become rare, the plants likely to disappear are Pine plants. Oaks are not generally found at such high altitudes.

The tree line in the Himalayas generally increases in altitude from east to west due to variations in precipitation and temperature, but the Eastern Himalayas are often cited for specific high-altitude vegetation zones; however, this is a complex biogeographical question where the Eastern Himalayas typically host higher biodiversity and distinct altitudinal limits.

Nepenthes khasiana is a pitcher plant endemic to the Khasi Hills in the state of Meghalaya, India.

Moss-Lichen communities, representing tundra vegetation, are predominantly found in high latitude regions ranging from approximately 60 to 80 degrees North or South, where harsh cold climates restrict tree growth.