homo-spectral 2d correlations

  • 1Pleistocene Epoch — Earlier and longer of the two epochs that constitute the Quaternary Period. The Pleistocene began с 1.8 million years ago and ended с 10,000 years ago. It was preceded by the Pliocene Epoch of the Tertiary Period and followed by the Holocene… …

    Universalium

  • 2Ecology — For other uses, see Ecology (disambiguation). Ecology …

    Wikipedia