Fill in the Blanks 4° Diagnostic n°2Online version 2nd Diagnostic created for fourth graders by Liseth Villamizar Bueno 1 food body nutrient nutrients ecosystem dispersed oxygen vibration 1 . Photosynthesis produces and . 2 . Plants are important to the environment because they are a source of . 3 . Light is when it passes through a prisma 4 . . Sound is produced by the of a 5 . Predation is a type of relationship in an 6 . All food sources contain