Scientists studied
evolutionarily ancient animal models, such as sand dollars, skates, dogfish sharks and sea urchins, to gain insights into human physiology.
Because skates are
an evolutionarily ancient animal, that means the neurons essential for walking originated in species that separated from other four - legged vertebrates, or tetrapods, about 420 million years ago.
Not exact matches
Studying
animals that show similar hemispheric biases for their own vocalization — like primates, sea lions and horses — could reveal important clues about how
ancient language - processing mechanisms are, she adds: «
Evolutionarily, this could go far beyond primates to a common ancestor for all mammals.
Because both notum and the Wnt signaling pathway are so
evolutionarily ancient, their interaction in planarians may indicate a relationship that is important in other
animals as well.