1. Introduction to Biology

Which of the following is NOT a key component of the process of natural selection?

Which graph best represents directional selection?

Which statement best hypothesizes the evolutionary history of the area shown?

In the context of natural selection, what term describes how well an organism can survive and reproduce in its environment?

Which of the following structures do NOT indicate a common ancestor?

In which type of environment are peppered moths (Biston betularia) most commonly found?

Which of the following best explains why the statement 'a monkey is more evolved than a mouse' is incorrect?

Which evolutionary process best explains how two unrelated flower species could independently evolve to have a similar appearance?

Darwin's scientific theory of evolution explains and predicts which of the following?

If a local population of a species goes extinct, which of the following best describes what has occurred?

Which of the following processes is primarily responsible for moving sand down the beach, thereby influencing the distribution of organisms and habitats over time?

Which term best describes inherited traits that increase an organism's chance of survival and help determine its niche?

Which of the following is NOT considered evidence that a large impact event contributed to the extinction of the dinosaurs?

Butterflies show r-selection traits. What does this statement imply about their reproductive strategy?

The skeletons and fossils shown in the previous illustration provide evidence for which biological process?