If an individual has two different alleles for a gene, he/she is

Explain why the plants cortex would serve as the best food source for animals

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

What are the student's observations and inferences before he starts his investigation?