Permafrost - a thick subsurface layer of soil that remains frozen throughout the year, occurring chiefly in polar regions. in which biome would you most likely find permafrost? a) tundra b) desert c) savannah d) mountain

Food provides molecules that serve as fuel and building material for all organisms. plants undergo photosynthesis and make their own food. other organisms, like us and the horse seen above, are consumers and eat food. how do all organisms use food as fuel? be sure to include the name of the process in your answer. me.

Which sentence best expresses the differing opinions of these two book reviews?

How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures