1. Which phrase describes how biological chemicals provide evidence to support that life changes over time? A) some animals exhibit similar structures, possibly due to a common ancestor

B) some animals exhibit similar stages of embryonic development

C) some animals exhibit similar proteins

D) some animals exhibit structures that are no longer used for any purpose

2. Which phrase describes how homologous structures provide evidence to support that life changes over time?

A) some animals exhibit structures that are no longer used for any purpose

B) some animals exhibit similar stages of embryonic development

C) some animals exhibit similar structures, possibly due to a common ancestor

D) some fossils exhibit similar biological proteins

Which of the following best describes the purpose of technology?

Cultures of the lake of the ozarks water samples were grown on enrichment media for identification. however, these organisms are present to some degree in all samples. an important question from a clinical perspective is whether or not there is a significant increase in the fecal coliform populations that would put people's health at risk. if you were part of the team investigating this outbreak, how would you best enumerate the fecal coliform threat? view available hint(s) cultures of the lake of the ozarks water samples were grown on enrichment media for identification. however, these organisms are present to some degree in all samples. an important question from a clinical perspective is whether or not there is a significant increase in the fecal coliform populations that would put people's health at risk. if you were part of the team investigating this outbreak, how would you best enumerate the fecal coliform threat? direct microscopic counts filtration count culture serial dilution count culture plate count culture

What organ is the first to receive nutrients that have been absorbed from the digestive tract?