there is no clear evidence about plants evolving in the desert, or fossils of any kind of cactus despite their distribution over a large area. But, scientists are of the opinion that they acquired specific attributes millions of years ago, as a response to the vastly changing climate and conditions.
-Desert plant root system
A typical desert plant has a deep root system, which is a specific physical mechanism. As the roots grow deep down the soil, they absorb soil water, which is then transported to the upper portions of the plant.
-Desert plant leaves
Bear small foliage with waxy surface to minimize transpiration (loss of water through stomatal pores), which in turn, helps to conserve water.
The magnification power level of the microscope
Drug "Tolerance" is the status of when the body has become accustomed to a medication and requires more to achieve a same affect. Makes sense wouldn't you say.
<span>the variety of life in the world or in a particular habitat or ecosystem.
examples would be like a group of animals living on a farm or a family in a house.
but if ur meaning "megadiverse" would be like humans inhabiting the earth. or the ocean full of marine life</span>