1. which is not a cell of the immune system ? a-t cells b-b cells c-white blood cells d-red blood cells

Which group of chordates does  notpossess true backbones?                 a.  birds      b.  frogs and toads      c.  lampreys      d.  crocodilians

Me . based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?

If bacteria are much too small to see, what is one reason why can we see colonies in the petri dishes that have plenty of food to eat after only a few days?