Guessing 2,270 species are listed as endangered or threatened are on the list, 151 are marine species
use the numbers from here : )
Just like the adaptation of humans and animals to the environment, the same also applies for bacteria and viruses.
After so many years of Penicillin being used as the main anti-bacterial cure, bacteria formed resistance due to constant environmental presence.
Answer:
yes your questions are very best to asking other
The basic repeating unit of nucleic acids are known as nucleotides. A nucleotide consists of three distinct chemical groups, a 5-carbon sugar (ribose or deoxyribose), a nitrogen-rich base - (cytosine (C), guanine (G), adenine (A), thymine (T) in DNA or uracil (U) instead of T (in RNA), and phosphate.