ORGANISMS LEVELS OF ORGANIZATION GRADE SEVEN.pptx

Levels of organization tells about how organisms are classified based from its simplicity to complexity.

1. Arrange the following in correct sequence of levels of organization POPULATION BIOSPHERE MOLECULE CELL ATOM ECOSYSTEM TISSUE COMMUNITY ORGAN SYSTEM ORGAN ORGANELLE ORGANISM

2. 6. ORGAN 5. TISSUE 3. ORGANELLE 7. ORGAN SYSTEM 8. ORGANISM 9. POPULATION 10. COMMUNITY 11. ECOSYSTEM 4. CELL 2. MOLECULE 1. ATOM 12. BIOSPHERE

3. ATOM – smallest unit of an element MOLECULE – union of two or more atoms CELL – the basic unit of life TISSUE – group of cells with a common structure and function ORGAN – composed of tissues functioning together ORGAN SYSTEM – several organs working together ORGANISM – individual that contains organ system POPULATION – organisms of the same species in a particular area COMMUNITY – interacting populations in a particular area ECOSYSTEM – a community plus the physical environment BIOSPHERE – region of the earth’s inhabited by living things

4. Identify the level of organization the following is part of. 1. Hydrogen 2. Sperm 3. Heart 4. Urinary system 5. Stain of blood 6. Salt 7. Red ants 8. A garden 9. A forest 10. cat