SCIENCE REVIEW 1ST BIMESTER 4TH GRADE.
OCTOBER 2012 1. SMALLEST UNIT OF A LIVING THING__cell________________________ 2. THE CONTROL CENTER OF A CELL______nucleus______________________ 3. CONTAINS THE THINGS THAT THE CELL NEEDS TO CARRY OUT ITS LIFE PROCESSES___________________________ 4. SPECIAL PARTS IN PLANT CELLS THAT TRAP THE SUN’S ENERGY_____chloroplast__________________________ ORGANS ORGANISMS CELLS

5. HAVE ONLY ONE CELL AND NO SEPARATE NUCLEUS. THESE ORGANISMS MAY LIVE ON LAND OR IN WATER, AND MANY OF THEM LIVE IN EXTREMLY HOT OR SALTY HABITATS. THEY MAKE THEIR OWN FOOD. TRUE BACTERIA 6. TRUE BACTERIA ARE ALSO ONE-CELLED ORGANISMS THAT HAVE NO SEPARATE NUCLEUS. THEY LIVE ON LAND OR IN …ver más…

ALL THE LIVING AND NONLIVING THINGS IN AN ENVIRONMENT AND THE MANY WAYS THEY INTERACT.____________________________ 30. ALL THE MEMBERS OF ONE SPECIESTHAT LIVE WITHIN AN AREA OF AN ECOSYSTEM_________________________ 31. THE DIFFERENT POPULATIONS THAT INTERACT WITH EACH OTHER__________________________ 32. SPECIFIC ROLE AN ORGANISM HAS IN ITS HABITAT IS CALLED_________________________________ 33. CONSUMERS THAT GET ENERGY BY EATING PLANTS____________________________ 34. CONSUMERS THAT EAT ONLY ANIMALS________________________________ 35. CONSUMERS THAT EAT BOTH PLANTS AND ANIMALS_______________________ 36. THEY DIGEST THE WASTE AND REMAINS OF DEAD PLANTS AND ANIMALS_______________________________
MAKE A DRAWING OF EACH ECOSYSTEM GRASSLAND, FOREST, TUNDRA, DESSERT, TROPICAL RAIN FOREST. THINK ABOUT THE DIFFERENT CHARACTERISTICS THEY