Measuring earth’s biodiversity

1. Measuring Earth’s Biodiversity
Scientist estimate that there are at least 10 million
species on Earth and may be as many 30 million.
Scientist have described fewer than 3 million
species so far.
When most people think of nature,they tend to
focus on mammals, especially to those that have
big heads,big eyes, and a cuddly appearance like
pandas. Yet mammals are very small fraction of
biodiversity. Insects and plants are far more
representatives of life on Earth

2. Reducing Biodiversity
Biologist etimate that up to 20 percent of existing
species may become extinct by the year 2030. the
mass extinction currently under way is different
because humans are the causes. We do not known
what consequences of eliminating millions of
species will do. The greatest threat to biodiversity
is the rapid destruction of natural habitats to
provide for the needs and wants of the growing
human population sustain as many species. In
general , humans convert, such as farmland and
urban areas, that control that can not sustain has
many species.

3. Ways To Save Biodiversity
The United States became properous partly by converting
forest and native prairies into farms. The topics and other
regioms of high biodiversity often include some of the
economically poorest countries on earth. These countries
are trying to use their natural resources to build their
economies and raise the standard of living for their
citizens, just as the United Sates did. Several
conservation strategies offer ways for developing
countries to benefit economically from preserving their
biodiversity. Another idea to help local people make
money from an intact ecosystem is to set up a national
park to attract tourist.