The use of ladybugs and praying mantises to consume insect pests in gardens is an example of

Leila has dimples because she received a gene copy from her father that coded for dimples. this means that dimples are an example of a trait that is

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

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays