How many penguins live on Earth?

Answer Tens of millions of penguins live on Earth, but the exact number is difficult to pinpoint. Some estimates put the total penguin population at 100 million. Penguins come in at least 17 different var... Read More »

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How many reptiles live on the earth?

Reptiles were once dominant on the Earth. However, after years of evolution and many climatic changes, reptiles number fewer than in the past. Although new species of reptiles continue to be identi... Read More »

How many people live on the earth?

There are an estimated 6.8 billion people living on earth as of 2010. The population of the world has a net growth of approximately two to three people per second, accounting for both births and de... Read More »

How many species of animals live on Earth?

The number of animal species that live on Earth is one of science's greatest mysteries. About 2 million animal species have been identified as of 2007, and new species are constantly being discover... Read More »

How many species of animals live on the earth?

There are approximately 1,250,000 species of animals living on earth, including 1,190,200 invertebrates (950,000 insects, 70,000 mollusks, 40,000 crustaceans, and 130,200 others) and about 58,800 v... Read More »