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Characteristics of Living Things: Rivers, Bears, Reproduction, Stimuli, Decomposers, Cells, Organisms

Explore the various characteristics of living things, including how rivers grow and respond to their environment, how bears maintain homeostasis, the relationship between reproduction and heredity, the stimuli-response process, the role of decomposers, the importance of cells, the needs of organisms, growth and development, energy sources, and factors affecting organisms. Also, learn about the experiment design and the six characteristics shared by all living things.

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Characteristics of Living Things: Rivers, Bears, Reproduction, Stimuli, Decomposers, Cells, Organisms

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  1. Unit 2 Study Review!!! Characteristics of Living Things!!!!

  2. 1. What characteristics of living things does a river have? • Grow and Develop – A river can get bigger and develop into more rivers. • Energy – a river has a lot of energy behind it, that is why we created dams to harness that energy. • Respond to its Environment – A river can respond to changes that happen in its environment. • But a river DOES NOT have DNA or cells!!!!

  3. 2. Fur coat of a bear and Homeostasis! • The fur coat of a bear helps keep the bear’s body temperature stable internally! • A bear can keep its body temperature around 88 degrees F while hibernating.

  4. 3. How is reproduction related to Heredity? • Heredity is the passing of traits from parents to offspring which occurs during reproduction.

  5. 4. Stimuli? Response? • Stimuli and Response • Light  Pupils getting smaller • Sound  heart rate increasing • Temperature • Heat  sweating • Cold  shivering and goosebumps

  6. 5. Decomposers are consumers! • Decomposers break down dead matter but they are still consuming organisms. • Producers are completely different because they make their own food.

  7. 6. Cells are 70% Water! • Water is one of our important needs!!!!! Our cells keep hydrated and so do we!

  8. 7. Needs of Organisms! • CAVE – shelter and living space for an organism. • Ant – Provide food for another living thing • Lake – provide water for living things and a space to live.

  9. 8. Growth and Development! • Growth! – An organism growing in size. • Development 0 An organism changing in structure or form. Example: caterpillar to a butterfly!

  10. 9. How we get energy! • Producer – any plant! • Consumer – any animal (bear, cat, dog, human, fish) • Decomposer – fungus (mushroom)

  11. 10. Factors that affect organisms! • Plants and animals are affected by their needs and characteristics of living things. Organisms need: • Water • Food • Living Space/Shelter • Air These 4 needs will help determine where an organism will live!

  12. 11. Different Reproduction • Asexual Reproduction – one parent produces offspring. This only happens with unicellular organisms like bacteria. • Sexual Reproduction – two parents produce offspring and the offspring have characteristics of both parents. All animals.

  13. 12. Is a Flame Alive!!!??? • Characteristics of a flame: • Grow and develop • Create energy • Reproduce – create more fire! • Respond to its environment – the fire can move around its environment and change based on its surroundings. A flame does not have! • Cells • DNA A flame does not have all characteristics so it is not alive!!!

  14. 13. Design an experiment! • Test to see if a Goldfish reacts to music by swimming faster! • Stimulus – music • Response – swimming speed • Remember to set up a control group and an experimental group!

  15. 14. Six Characteristics of all living things!! • D – DNA • R. – Respond to the environment • C – Cells • R – Reproduce • E – Energy • G – Grow and Develop • Dr. CREG can help you remember the characteristics! Practice writing them out!!!!!

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