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Collection of some endangered species

What Are Species? Definition & Guide to Biodiversity

Species represent the fundamental units of classification and biodiversity in the biological sciences. They are often defined as the largest group of organisms in which any two individuals of appropriate sexes or mating types can produce fertile offspring through sexual reproduction. The concept of species has been central to understanding the biological classification of the …

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animals that start with x

15 Animals that Start with X

Animals that start with X – the list is long. If you doubt this, read on and discover animals you never knew existed. Have you ever wondered which animals have names starting with the letter x? Well, while it might sound unbelievable, there are lots of these animals. There are more than 8 million animal …

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