1. Living things are both similar to and different from each other and from nonliving things.

2. 1. Compare and contrast the parts of plants, animals, and one-celled organisms.

3. Living things are composed of cells

4. Muscle Cells Cells provide structure and carry on major functions to sustain life.

5. Heart Muscle Cells Cells provide structure and carry on major functions to sustain life.

6. Red and White Blood Cells Cells provide structure and carry on major functions to sustain life.

7. Cells are usually microscopic in size.

8. cells function similarly in all living things Strep bacteria Onion plant Chimpanzee

9. Cells grow and divide, producing more cells. E. Coli bacteria dividing

10. Cells grow and divide, producing more cells. Paramecium dividing

11. Cells grow and divide, producing more cells.

13. Cells use nutrients to provide energy for the work that cells do to make the materials that a cell or an organism needs. Photosynthesis Cell Respiration

15. to make the materials that a cell or an organism needs. Photosynthesis

16. to make the materials that a cell or an organism needs. Photosynthesis

17. To provide energy for the work that cells do Cell Respiration

18. Most cells have cell membranes, genetic material, and cytoplasm.

19. bacterial chromosome

20. Some cells have a cell wall and/or chloroplasts. Elodea

21. Some cells have a cell wall and/or chloroplasts. Cell Wall Chloroplast

22. Many cells have a nucleus.

23. Some organisms are single cells Amoeba

24. Some organisms are single cells Paramecium

25. Some organisms are single cells Euglena

26. Some organisms are made up of many cells Homo sapiens

27. Some organisms are made up of many cells Hydra

28. Some organisms are made up of many cells Oak Tree

29. Some organisms are made up of many cells Daphnia

30. Cells are organized for more effective functioning in multicellular organisms.

31. .

32. OrganTissueCellOrgan System

33. Many plants have roots, stems, leaves, and reproductive structures.

34. These organized groups of tissues are responsible for a plant’s life activities.

35. Animals have similar organs and specialized systems for carrying out major life activities. Human Cardiovascular System Pig Cardiovascular System

37. Living things are classified by shared characteristics on the cellular and organism level. BacteriaCells with a Nucleus

38. In classifying organisms, biologists consider details of internal and external structures.

39. Biological classification systems are arranged from general (kingdom) to specific (species).