Biology Lesson 1.1

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Biology Lesson 1.1

  1. 1. Lesson 1.1 What’s Important ?Biologyis the study of living thingscomes from the Greek rootbios- which means “life”and the Greek suffix -logywhich means “the study of”.
  2. 2. Biology 1.1 What’s Important ?Biologyis the study of living thingscomes from the Greek root bios- which means “life”and the Greek suffix -logy which means “the study of”.•Organism – scientific term fora living thing.•Habitat – region where theorganism usually lives.
  3. 3. •Organism – scientific term for a living thing.•Habitat – region where the organism usually lives.4 Major fields of biology  botany – study of plants zoology – study of animals
  4. 4. 4 Major fields of biology  botany – study of plants zoology – study of animalshuman anatomy and physiology -study of physical structures and thefunctions of the human body.
  5. 5. 4 Major fields of biology  botany – study of plants zoology – study of animals human anatomy and physiology - study of physical structures and the functions of the human body.ecology – the study ofinteractions between organismsand their environment and eachother.
  6. 6. ecology – the study of interactions between organisms and theirenvironment and each other.Food chain – a sequence oforganisms related to one anotheras prey and predator.
  7. 7. Food chain – a sequence of organisms related to one another as prey and predator.Parts of the food chain: 1. producers• usually a photosynthetic organism (make own food from sunlight) •are at the base of the food chain •All energy comes from them •usually green - chlorophyll
  8. 8. 2.Consumer –derives nutrientsand energy from consumingother organisms.Includes: • herbivores or primary consumers – they consume plants
  9. 9. 2. Consumers Includes:• carnivores or secondary consumers - they consume other animals that once consumed plants.
  10. 10. 2. Consumers Includes • omnivores -who can be primary or secondary consumers - eat plants or other animals.
  11. 11. • Omnivores who can be primary or secondary consumers - eat plants or other animals.3. Decomposers - are organisms that breakdown dead or decaying organisms. Includes:
  12. 12. We will begin our course study of biology in the field of botany. Reasons for studying botany:1. many medications are derived from plants2. important to industry (lumber, paper, clothing,acetate, rayon, etc)3. all food eaten by man comes directly or indirectly from plants

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