Which botany phenomenon is primarily based on an understanding of physics? . . a. the way plant pollen is carried by wind to another plant.. b. the way nutrients affect a plant's growth. c. the way plant cells divide . d. the way pesticides keep a plant free of pests

Which of these serves as a reference for comparison during a scientific investigation? a)outcome variable (dependent variable) b) test variable (independent variable) c)control group d)hypothesis

Rotenone is an insecticide that is toxic

The human genome project is devoted to mapping the general dna sequence of our species. this could lead to the development of new medicines, as well as the possibility of using gene therapy to treat certain diseases. however, there are some ethical issues surrounding the mapping of individual genomes. one concern is a) that your genes may change over time, making the project useless. b) that insurance companies could discriminate based on genetic make-up. c) that since this has never been done before, we should probably not do it now. d) that sequencing our individual genomes is so expensive, it is a counter-productive strategy.