Biodiversity is a word that describes the variety of living beings on earth. biodiversity also refers to the number of different species living within a particular region. humans have upset the balance of biodiversity in many areas on earth. one that stands out is the deforestation of tropical rainforests. once these forests are cut down, the area turns into a desert (desertification). why is it so important to maintain earth's biodiversity? give two reasons.

What is a common risk associated with tobacco?

What is the most common blood type in the u.s.?

Will treating a viral infection with antibiotics affect the course of the infection? a) no; antibiotics work by inhibiting enzymes specific to bacteria. antibiotics have no effect on eukaryotic or virally encoded enzymes.b) no; antibiotics do not kill viruses because viruses do not have dna or rna.c) yes; antibiotics activate the immune system, and this decreases the severity of the infection. d) yes; antibiotics can prevent viral entry into the cell by binding to host-receptor proteins.