The standard classification system used by biologists today groups and classifies organisms on the basis of similar physical traits. this system was first developed by carl linnaeus. at the time of his work, there were other methods for grouping organisms that were based on similar habitats, similar diets, or similar behaviors. why is linnaeus's system the most useful one to biologists today?

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.

Nerve cells are specialized to respond to stimulitrue or false?

Hector is back from his morning run and is feeling light-headed because his energy is depleted which food item will provide him with a quick source of carbohydrates