How does the dental plaque stay in place microbiology?

If there is another new infectious disease somewhere in the world, what do you think canadian officials should do

Below are the three main organs that make up the plant body.

Why does sexual reproduction increase the genetic variation in a species? a. sexual reproduction doubles the chromosome number. b. sexual reproduction produces organisms with no dna. c. the gametes in sexual reproduction are exact clones of the parents. d. a fertilized egg has a mixture of alleles from the two parents.