Asorting device that is useful in classifying by observation is a dichotomy wedge taxon key

What is the broadest level of classification of life

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

How have high taxes on tobacco products impacted the number of people who use them? a. the number of tobacco users has increased. b. the number of tobacco users has decreased. c. the number of tobacco users has not changed. d. the number of adolescent tobacco users decreased, while the number of adult users increased