How Many Species Are There?

How do we protect what we don’t know exists? Don’t miss the next video! SUBSCRIBE! ►► ↓ More info and sources below ↓ How many species are there on Earth? In biology, this is one of a fundamental question that we still don’t have a very good answer for. Imagine if chemists didn’t know all the elements of the periodic table, or if physicists didn’t know all of the particles of the standard model. Knowing how many different species there are is information we need to know in order t