Rhinoceroses are being poached at a rate of two or three a week in Africa and Asia. Which type of diversity is being lost as the population of rhinoceroses becomes very small? species diversity
genetic diversity
ecosystem diversity
fragmented diversity

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

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different

Which of th following best describes how genes produce traits in an organism?