Looking Sideways In The Mirror
As Many Exceptions As Rules,
Biology Concepts – platyhelminthes, asymmetry, bilateral symmetry, evolution, cephalization, natural selection, fish…
Biology Concepts – platyhelminthes, asymmetry, bilateral symmetry, evolution, cephalization, natural selection, fish…
If you look closely at the image above, you’ll see that the mouths of these cichlid fish, Perissodus microlepis, curve in…