In 1974 an almost complete skeleton Australopithecus afarensis was found in AfricaThe was called "Lucy. Lucy had apelike shoulders and However, the pelvis indicates that she was bipedalThe size her brain was smalan apebke characteristic What did the Lucy help paleoanthropologists determine? Select two answers A Hominids trad before they walked upright B Hominids walked upright before they had large brains Hominids are primates with opposable thumbs . DHuman characteristics evolved at different rates and therefore, at ditferent times

Describe the change in phase and temperature as water moves from the oceans to the atmosphere and then returns to earth again as rain. a) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature decreases b) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature increases c) evaporation : temperature decreases; condensation : temperature decreases; precipitation (rain) : temperature decreases d) evaporation : temperature increases; condensation : temperature increases; precipitation (rain) : temperature decreases

The image shows a group of fish. the type of social behavior shown in the image is called

Select the correct answer. what does the hardy-weinberg principle relate to? a. chances of survival of an organism b. frequency of alleles in a population c. natural selection in a species d. causes of evolution among organisms