from 6. Which is the correct sequence on the levels of biological organization smallest to biggest? A. cell > tissue > biosphere > organism > organ > ecosystem > organ system > population > community B. cell > organ system > organ > tissue > organism > community > population > biosphere > ecosystem c. cell > tissue > organ > organ system > organism > population > community > ecosystem > biosphere D. cell > organ > organs system > tissue > organism > ecosystem > population > community > biosphere 7. What level of organization is composed of similar cells that are arranged and grouped together to perform a specific function? A Ecosystem C. Biosphere B. Tissue D. Organism 8. What organ system produces sex cells? A. Respiratory system C. Reproductive system B. Circulatory system D. Immune system 9. A herd of deer is wandering the forest searching for food. What do you call this level of organization? A Population C. Biosphere B. Cell D. Organism 10. Which of the following statement is TRUE? A Groups of organs working together are called organisms. B. Groups of tissues working together are called organ systems. C. Groups of organs working together are called cells. D. Groups of cells working together are called tissues.
