2014-07-16, 15:25
Animal foraging tactics unchanged for 50 million years
Animals have used the same technique to search for food that's in short supply for at least 50 million years, a new study suggests. Researchers analyzed fossilized sea urchin trails from northern Spain and found the tracks reflect a search pattern still used by a huge range of creatures today.
http://feeds.sciencedaily.com/~r/science...215730.htm
Animals have used the same technique to search for food that's in short supply for at least 50 million years, a new study suggests. Researchers analyzed fossilized sea urchin trails from northern Spain and found the tracks reflect a search pattern still used by a huge range of creatures today.
http://feeds.sciencedaily.com/~r/science...215730.htm