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UNIT 1 Vocabulary

This vocabulary list includes terms related to cells, asexual reproduction, DNA, hypothesis, homeostasis, theory, and controlled experiments. It also covers scientific methods, classification, taxonomy, variables, dichotomous keys, bacteria, binary fission, diffusion, osmosis, prokaryotic cells, and more. Use this comprehensive list to enhance your understanding of these fundamental concepts in biology.

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UNIT 1 Vocabulary

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  1. Cell Asexual reproduction DNA Hypothesis Homeostasis Theory Controlled experiment Scientific method Classification Taxonomy Variable Dichotomous key Bacteria Binary Fission Diffusion Osmosis Prokaryotic Cells UNIT 1 Vocabulary

  2. Cells Smallest unit of life that contains all the materials necessary for life.

  3. DNA The genetic material found in all living organisms

  4. The ability for all living things to maintain a stable internal environment is called • Homeostasis

  5. An experiment that tests only one variable at a time • Controlled experiment

  6. The arrangement of organisms into orderly groups based on their similarities • Classification

  7. The factor in a controlled experiment that can change • Variable

  8. The smallest and simplest organisms on the planet • bacteria

  9. The tendency of molecules to move from an area of high concentration to an area of low concentration • Diffusion

  10. A single parent produces offspring that are identical to the parent. • Asexual reproduction

  11. A hypothesis that has been supported by lots of evidence and experiments • Theory

  12. The diffusion of water molecules from an area of high concentration to low concentration Osmosis

  13. A series of steps a scientist uses to answer or solve a problem • Scientific method

  14. Tool used to identify unknown organisms Dichotomous Key

  15. A cell with no nucleus Example: Bacteria • Prokaryotic cell

  16. A possible explanation or answer to a scientific question • hypothesis

  17. Type of asexual reproduction used by bacteria, one cell splits into two. • Binary Fission

  18. The science of identifying, classifying, and naming living organisms • Taxonomy

  19. Found in all cells of living organisms, and contains the blueprint of life. • DNA

  20. The movement of molecules from an area of high concentration to an area of low concentration. • Diffusion

  21. Now it will get a bit harder…I will give you only two or three words and you will need to give me the vocabulary word they define.

  22. Cell Asexual reproduction DNA Hypothesis Homeostasis Theory Controlled experiment Scientific method Classification Taxonomy Variable Dichotomous key Bacteria Binary Fission Diffusion Osmosis Prokaryotic Cells Vocabulary

  23. Steps scientist take Scientific Method

  24. Smallest unit of life Cells

  25. Possible explanation Hypothesis

  26. Supported by Evidence Theory

  27. Genetic Material DNA

  28. No nucleus Prokaryotic Cell

  29. Identify, classify, naming Taxonomy

  30. Stable, internal, environment Homeostasis

  31. Cell Division, asexual Binary Fission

  32. Grouping by similarities Classification

  33. Diffusion of Water Osmosis

  34. Molecules, High to low Diffusion

  35. Tool to identify Dichotomous key

  36. One parent, identical Asexual reproduction

  37. Factor that changes Variable

  38. Now a bit harder…. I will show you a picture.. What word does it describe?

  39. Dichotomous Key

  40. Diffusion

  41. Binary Fission

  42. DNA

  43. Cells (building blocks of Life)

  44. Taxonomy

  45. Scientific Method

  46. Prokaryotic Cell

  47. Osmosis

  48. Homeostasis

  49. Bacteria Review

  50. Which of these characteristics describe bacteria? • Unicellular • No Nucleus • Has a cell Wall d) Reproduces asexually e) All of the above

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