According to the theory developed by charles darwin, what process causes organisms to develop traits that them adapt to changes in their environment? a: homeostasis b: artificial selection c: succession d: natural selection

Identify the constitutional principle that is common in both this excerpt and federalist no. 51. based on the constitutional principle identified in part (a), explain how the perspective in this excerpt compares with the perspective in federalist no. 51. explain how the constitutional principle identified in part (a) is reflected in the constitution, including two examples to explain how it affects the u.s. political system

Donald is studying the eating habits of all students attending his school. he samples the population by dividing the students into groups by grade level and randomly selecting a proportionate number of students from each group. he then collects data from the sample. which type of sampling is used? select the correct answer below: systematic sampling convenience sampling stratified sampling cluster sampling

Which of the following best illustrates the importance of addressing the three questions of economics? people’s desires and needs are always changing. businesses need to use limited resources wisely. traditional methods of production are outdated. businesses need to limit production.