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Brain Warmer 1 (bell-ringer) Select the correct answer and give a scientific explanation.

Learn about the order of components in an organ system and different types of symbiotic relationships in ecosystems.

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Brain Warmer 1 (bell-ringer) Select the correct answer and give a scientific explanation.

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  1. Brain Warmer 1 (bell-ringer) Select the correct answer and give a scientific explanation. If listed from the smallest scale to the largest, which is the correct order of these common components of an organ system? A. biomolecules, cells, tissues, organs, organelles B. cells, tissues, organs, organelles, biomolecules C. biomolecules, organelles, cells, tissues, organs D. biomolecules, cells, tissues, organelles, organs

  2. Scientific Explanation: C Biomolecules are molecules in living things. Organelles (Ex.nucleus) are parts of the cell. Cells form tissues. Tissues form organs.

  3. MOL At the lowest biological level, group of cells that have similar structure and function work together as • organs within an organism B. an organ system within an organism C. tissues inside an organism D. an organism within a population

  4. MOL At the lowest biological level, group of cells that have similar structure and function work together as • organs within an organism B. an organ system within an organism C. tissues inside an organism D. an organism within a population

  5. video clip https://www.youtube.com/watch?v=3BZEA4areBM https://www.youtube.com/watch?v=u4DrP3WVNu8 https://www.youtube.com/watch?v=5FtlqU1DDK0 https://www.youtube.com/watch?v=aYmdrJWLQ4Y

  6. Reflections smallest ----------------------------largest cell, tissue, organ, organ system, organism

  7. Brain Warmer 2

  8. The correct answer is C.Remora attaches itself to the shark and is able to eat food that floats away from the shark’s mouth. Remora is benefited with food. Shark is not affected. This is commensalism. (One animal benefits, and other is not affected.)

  9. MOL

  10. The correct answer is D.Predation has predator-prey relationship.Parasitism – 1 animals benefits, other is harmed.Commemsalism – 1 animal benefits, other is not affected.Competition – when 2 animals compete for resources to survive.

  11. Video clip – Symbiotic Relationships https://www.youtube.com/watch?v=zTGcS7vJqbs

  12. Composition Book Entry

  13. 8 Levels of organization in living things

  14. 1.Atom - basic unit of matter

  15. 2.Molecule - 2 or more atoms form a molecule

  16. 3.Organelle – parts of a cell Ex. nucleus

  17. 4.Cell - basic unit and building block of life 

  18. 5.Tissue - group of different cells which perform special functions 6.Organ -  performs certain functions with the help of different tissues. Ex, heart, brain

  19. 6.Organ -  performs certain functions with the help of different tissues. Ex, heart, brain

  20. 7.Organ system - Organs working together to perform certain functions form organ systems Ex. Nervous System

  21. 8.Organism -  fully functional form of a living being (unicellular or multicellular) Ex. Plant, animal, human

  22. Ecosystem Interactions STAAR problems

  23. Organisms in an ecosystem must either produce their own energy or receive energy from other organisms.The biological interaction in which one organism hunts, kills, and eats another organism for energy is known as _______. • A. parasitism B. commensalism C. predation D. mutualism

  24. 1. C

  25. 2 All of the living organisms in a forest plus their environment is an example of A. a biome. B. an ecosystem. C. a population. D. a community.

  26. 2. B

  27. 3 Parasitism, mutualism, and commensalism are all examples of symbiotic relationships. A symbiotic relationship in which one organism benefits while the other organism neither benefits nor is harmed. For example, some barnacles attach themselves to whales, so they can move to new environments and find more food. The whales are not affected by the barnacles. This is an example of A.parasitism B. mutualism C. commensalism D. predation

  28. 3. C

  29. 4.Which of the following is an example of a population? A. a large clan of meerkats, including their offspring B. a hot, dry climate that receives very little rain C. a pack of wolves chasing a family of deer through a grove of trees D. the bank of a pond and the frogs and salamanders that live there

  30. 4. A

  31. 5. Some organisms feed on other organisms without immediately killing the organism. What term describes this act? A. parasitism B. commensalism C. mutualism D. predation

  32. 5. D

  33. 6.Organisms in an ecosystem must either produce their own energy or receive energy from other organisms.The biological interaction in which one organism hunts, kills, and eats another organism for energy is known as _______. A. predation B. mutualism C. parasitism D. commensalism

  34. 6. A

  35. Brain Warmer 3

  36. The correct answer is DCommensalism= 1 animal benefits and the other animal is not affectedParasitism= 1 animal benefits and the other animal is harmedMutualism= both animals benefit from each other

  37. Ecosystem Interactions STAAR problems

  38. Organisms in an ecosystem must either produce their own energy or receive energy from other organisms.The biological interaction in which one organism hunts, kills, and eats another organism for energy is known as _______. • A. parasitism B. commensalism C. predation D. mutualism

  39. 1. C

  40. 2 All of the living organisms in a forest plus their environment is an example of A. a biome. B. an ecosystem. C. a population. D. a community.

  41. 2. B

  42. 3 Parasitism, mutualism, and commensalism are all examples of symbiotic relationships. A symbiotic relationship in which one organism benefits while the other organism neither benefits nor is harmed. For example, some barnacles attach themselves to whales, so they can move to new environments and find more food. The whales are not affected by the barnacles. This is an example of A.parasitism B. mutualism C. commensalism D. predation

  43. 3. C

  44. 4.Which of the following is an example of a population? A. a large clan of meerkats, including their offspring B. a hot, dry climate that receives very little rain C. a pack of wolves chasing a family of deer through a grove of trees D. the bank of a pond and the frogs and salamanders that live there

  45. 4. A

  46. 5. Some organisms feed on other organisms without immediately killing the organism. What term describes this act? A. parasitism B. commensalism C. mutualism D. predation

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