Question

The number of species of organisms that are scientifically
known and named ranges between
(1)1.7-1.8 million
(2) 1.7-1.8 billion
(3) 17 to 18 million
(4) 30 to 50 million​

Answer 1

1) 1.7 to 1.8 millions

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Answer 2

Answer:

1.7-1.8 million

Explanation:

The number of species that are known and described range between 1.7-1.8 million. This refers to biodiversity or the number and types of organisms present on earth.

Currently known species of all organisms are between 1.7-1.8 million with 61% of species of insects. Approximately 15,000 new species are discovered per year.