Transgenic organisms can express the foreign genes because all organisms are based on the same
a. recombinant dna
b. noncoding dna areas
c. repeating nucleotides

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

Which of the following is a consequence of urban heat islands? increased precipitation downwind of the city? increased precipitation upwind of the city? decreased winds within the city? increased winds within the city?

What are two examples of conduction that we use everyday