What human activities have the greatest effect and what is that effect? What is the evidence that we are contributing? Finish your article by giving readers some suggestions to decrease their carbon footprint.

How are viruses and bacteria different?

What type of cell is produced after fertilization occurs and the gametes combines ?

Which statement best describes the relationship between an allele and a gene? question 1 options: an allele is a variation of a gene that can be expressed as a phenotype. an allele is the part of a gene that attaches to messenger rna molecules. an allele is a segment of a dna molecule that controls replication of a gene.