Which statement best contrasts these two excerpts? The sound of the beating heart emphasizes the madness of the narrator in “The Tell-Tale Heart,” while the sound of the crying cat in “The Black Cat” does not. The sound of the beating heart in “The Tell-Tale Heart” is an explained event, while the sound of the crying cat in “The Black Cat” is an unexplained event. The sound of the beating heart in “The Tell-Tale Heart” decreases the tension of the narrative, while the sound of the crying cat in “The Black Cat” increases the tension. The sound of the beating heart in “The Tell-Tale Heart” provides a happy ending, while the sound of the crying cat in “The Black Cat” provides an unhappy ending

Which would be an adaptation in a rainforest, but not in a tundra? a. ability to store water for a long time b. fur that blends in with snow c. strong claws for killing prey d. a beak that can dig into thick trees

Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.

Sort the examples by the type of diversity that they exhibit a park has 80 species of trees red, yellow, and orange bell peppers are all members of the same species individuals of the same lizard species have different mating strategies. five different bird species are at a bird feeder. genetic diversity species diversity