By studying fossils, scientists have learned that a. neither animals nor plants have changed over time. b. animals have changed over time, but plants have not. c. both animals and plants have changed over time. d. plants have changed over time, but animals have n

Im is in a crowd of people at the mall looking for his girlfriend tammy, who was supposed to meet him for dinner. jim realizes tammy is across the room as he catches a whiff of her overpowering perfume, 'paris #6'. which process explains why jim is able to smell the perfume?

Which organisms have pharyngeal arches that develop from all three germ layers and go through the same development stages as embryos? 1.bird 2.ladybug 3.starfish 4.snake

Which atmospheric later is where earths northern and southern lights occur