• The Sim portrays molecules on a much larger scale than their size in real life. Molecules actually are so that scientists can only see them using some of the most powerful microscopes in the world. Molecules are made up of even smaller pieces called . FILL IN THE BLANKS

Which statements about a food chain are true? choose all answers that are correct. a.plants are the first living organisms in food chains on land. b. the plants in a food chain are called herbivores. c. all food chains on land begin with energy from the sun. d. carnivores in a food chain eat only plants.