1. this photograph was taken at a location on mount saint helens called meta lake. the area was clear-cut before the volcano erupted in 1980, meaning that all trees were cut down and used for timber or other products. the photograph was taken in 1983, 3 years after the volcano erupted. describe the biotic and abiotic factors you see in the photograph.

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.

Where can dna be found in a prokaryotic cell

What element is able to combine with itself and hydrogen to form large molecules ?