Which phrase best summarizes the theory of evolution by natural selection?
a. over time, species evolve by adapting to their environment.
b. traits acquired over a lifetime are passed onto offspring.
c. life evolves from other life.
d. only the strongest individuals survive.

Read the passage. when mother’s fever persisted for a week, father summoned our family doctor. dr. blakemore applied leeches to mother’s skin in hopes of reducing the amount of blood in her body. despite the doctor’s efforts, she languished in bed for three more days before her appetite returned and she requested a thin broth. our dear cook, mrs. davis, prepared the broth and delivered it to my mother directly, eager to ease her discomfort. what can readers infer about the time period of the passage?

From this story and the indian saying which precedes it, what can the reader conclude about the culture in which the tale is set? a) they believe that death is always signified by pigeons flying away. b) they think that the behavior of creatures in the natural world can indicate things that will happen to people. c) they believe that honest, hard work provides relief from the ravages of the natural world. d) they think that death isn't the end, but only the beginning of a new life.

Which sentence includes an infinitive phrase a) jodi and marisa went to the movies again last week b) athletes who work professionally need to practice c) clothing sizes can vary from manufacturer to manufacturer d) we enjoyed the dancers,who wore grass skirts to their ankles