Which of these changes in today's world is a product of advances in biology? increased crop yields invention of laptops increased use of plastics

Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data

25. what does meiosis create? haploids or diploid? somatic cells or gametes?

During the process of two rails or sides break apart and attract new nucleotide bases to form a new and complete strand.