Answer:
The total number of species living in a particular area is referred to as its Biodiversity .
Explanation:
Biodiversity -
Biodiversity is defined as the variability and the variety of life existing on the planet Earth . Biodiversity measures the variation in the species , genetics and the ecology of the Planet . In the terrestrial level , the biodiversity is greater near the equator , due to warmer climate and higher level in production .
The biodiversity is not uniformly distributed on the planet , and is basically richer in the tropical region . Less than 10 percent of the Earth's surface is covered by the tropical forest ecosystems and contains around 90 percent of the world's species .
The diversity of marine life is higher near the Western pacific and in the mid latitude band , where the sea surface temperature is highest .
Answer:
<em>The answer to your question is</em> <em>D grain elevators</em>
Explanation:
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Xerophytic are the types of plants which grow in desert climates.
Xerophytes plants grow in areas with very little water in the soil and low amounts of rainfall. So, they are commonly found in deserts. Xerophytes such as cacti are capable of withstanding extended periods of dry conditions.
The Xerophytes plants grow in desert climates because they are able to withstand dry climates and also they have deep-spreading roots and capacity to store water which help them in the dry regions.
These Xerophytes plants have leaves with thorns which prevent loss of moisture. Also, their fleshy stems can store water. The xerophytic plants may also grow in salt marshes, frozen land area like the Arctic and Antarctic, or tropical forests.
Hence, option A is correct.
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Extinction may occur naturally as a result of a calamity, ongoing environmental stress, or ecological interactions like competition, sickness, or predation.
This occurs when a species' population gradually but steadily decreases at the conclusion of its time of development on Earth. Many North American mammals went extinct during the end of the last ice age, 10,000 years ago, including mammoths, mastodons, and glyptodonts. In addition to climatic change, overhunting by humans was another contributing cause, according to paleontologists' evidence. The phrase "extinction" refers to the end of a particular type of organism or a set of types, typically a species. Although the ability to reproduce and bounce back may have been lost earlier, the death of the last member of the species is typically considered to be the moment of extinction. Determining this point is challenging because a species' potential range may be quite wide, and is typically done after the fact. Due to this problem, there are phenomena like Lazarus taxa, in which a species that was thought to be extinct suddenly "reappears" after a period of apparent absence (usually in the fossil record).Estimates place the number of extinct species at over five billion, or more than 99% of all species that have ever existed on Earth. There are now about 8.7 million species of eukaryotes in the world, and if bacteria and other microbes are included, there may be many times more. Non-avian dinosaurs, saber-toothed cats, dodos, mammoths, ground sloths, thylacines, trilobites, and golden toads are a few notable extinct animal species.
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They are alpha world cities of london and paris so that would be like mexico city or dublin,vienna,seoul,tehran
