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Science 9 Unit A Biological Diversity Section1 Lesson1
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Science 9 Unit A Biological Diversity Section1 Lesson1


Species Distribution …

Species Distribution
Biological Diversity
Carolus Linnaeus

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  • 1. Science 9 Unit A: Biological Diversity Science InAction Section 1: Page 8-25
  • 2. Lesson #1
    • Learner Outcome
    • I can observe variation in living things, and describe examples of variation among species and within species
  • 3. Grade 7 Review
    • All living things are:
    • made up of cells
    • need energy
    • grow and develop
    • reproduce and have adaptations
    • which suit them to the specific habitat in which they live.
  • 4. Describe the Variety of Biological Species on Earth.
    • A Species is a particular group of organisms that have the same structure and can reproduce with each other.
    • 1.5 million species of animals identified
    • 350 000 species of plants.
    • Most successful is the insect
  • 5. What is Biological Diversity?
    • … it is the variety of species and ecosystems on the Earth and the ecological processes of they are a part of.
    Video – Learn Alberta
  • 6. What are the main components of Biological Diversity?
    • 1. Diversity Between Ecosystems
    • Biotic and Abiotic organisms interacting
  • 7. What are the main components of Biological Diversity?
    • 2. Diversity Within Ecosystems
    • Communities – different species living in the same area.
    • Populations – members of the same species that live in a specific area and share the same resources.
  • 8. What are the main components of Biological Diversity?
    • 3. Diversity within species.
    • Individuals within the species.
    • Genetic differences at the cellular level.
  • 9. What are the main components of Biological Diversity?
    • 4. Species Distribution
    • Not distributed evenly
    • Less biological diversity as you move closer to the poles .
  • 10.  
  • 11. What is Variation ?
    • Variability within a species population.
    • Brown Hair vs. Blond Hair
    • Blue eyes vs. Green eyes.
    • Examples of variability in the animal kingdom include:
    • Red fox (color of coat)
    • Antibiotic resistance (bacteria)
    • Banded snail (color of shell)
  • 12. What are Niches?
    • Niche is the role of an organism within a particular ecosystem. Includes:
    • 1. What it eats.
    • 2. What eats it.
    • 3. Its habitat.
    • 4. Nesting site, range and habits.
    • 5. What effect it has on the other populations.
    • 6. What effect it has on the environment.
  • 13. Biological Diversity Classification
    • The two-name Latin naming system for all living things was developed by Carolus Linnaeus in the 18th century.
    • Enables scientists, around the world, to refer to the same species, by the same name.
    • Two words identify each organism.
    • The 1st represents the organisms genus and the 2nd represents the organisms particular species .
  • 14.  
  • 15. Biological Diversity Classification Animalia – animals, Plantae – plants, Fungi – yeasts and moulds, Protista – single cells, Monera - bacteria
  • 16. Classification Examples Common Name Species Name (includes Genus/ Species) Genus Family Order Class Phylum (Division) Kingdom Humans Homo sapiens Homo Hominidae Primates Mammalia Chordata Animalia Rhesus monkey Macaca mulatta Macaca Cercopithecidae Leopard frog Rana pipiens Rana Ranidae Anura Amphibia Wood frog Rana sylvatica
  • 17. Species Comparisons
  • 18.  
  • 19. Sample Multiple Choice Question
    • Which of the following organisms are most similar?
    • 1 and 2
    • 2 and 4
    • 2 and 3
    • 1 and 3
    Q1 Organism Class Genus Phylum Species 1 Mammalia Castor canadensis 2 Mammalia Canis Chordata Latrans 3 Lutra Chordata Canadensis 4 Canis lupus
  • 20. Sample Multiple Choice Question
    • The Linnaean classification system is a “two-name” system. The two names every species have are a
    • Family name and a given name
    • Scientific name and a common name
    • Genus name and a species name
    • Kingdom name and an order name
  • 21. Sample Multiple Choice Question
    • Sea hares have a special ink-producing gland. They use this gland to spread purple ink in the water because it
    • Is an important secretion of their body
    • Is and excretory product
    • Helps to confuse predators so it can escape
    • Gives a purple colour to its body
    Q3 Moles dig burrows and are called fussorial while deer or stag run very fast and are called cursorial. Some species change their features and camouflage, while other develop special protective structures.
  • 22. Answers to Sample Multiple Choice Questions
    • B
    • C
    • C
  • 23. Did you …
    • … observe variation in living things, and describe examples of variation among species and within species?