7D Variation and Classification

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Variation and classification Variation Classification 7D 7D Variation and classification

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Variation 7D Variation and classification

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How many different types of living things are there on Earth? Do members of the same species look exactly the same? 7D Variation – What is a species?

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7D Variation – Similar but different

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7D Variation – Similar but different Name 5 ways in which these dogs are similar. Name 5 ways in which these dogs are different.

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7D Variation – What is variation?

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Give 5 examples of variation between humans. What do you think causes variation? 7D Variation – What is variation?

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7D Variation – Causes of variation environmental inherited

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How many inherited characteristics can you think of? 7D Variation – Inherited factors

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How might these factors cause variation? 7D Variation – Environmental factors

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7D Variation – Environmental factors Name another way in which their environment may have influenced these people.

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7D Variation – Inherited factors Can you think of other inherited characteristics that might be affected by environmental factors?

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Decide which characteristics are inherited, environmental or both? 7D Variation – Inherited, environmental or both?

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7D Variation – Variation in plants Are plants also affected by environmental conditions?

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What are the best conditions for growth of the sunflowers? How might sunflower growth be affected if grown in a cooler environment? How could you test your prediction? 7D Variation – Variation in plants

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7D Variation – True or false? 1. Members of the same species all look exactly the same. True or False Click on the box to start the quiz 1. Members of the same species all look exactly the same. FALSE! Members of the same species have similar features but do not look exactly the same. 6. The ability to roll your tongue is an inherited characteristic. TRUE! Have you inherited this type of variation? 6. The ability to roll your tongue is an inherited characteristic. 5. Identical twins are more alike than most but even they are not exactly the same. TRUE! Identical twins inherit the same features but they have different fingerprints. 5. Identical twins are more alike than most but even they are not exactly the same. 4. Variation caused by environmental factors can be passed from parent to offspring. FALSE! Only inherited characteristics are passed from parent to offspring. 4. Variation caused by environmental factors can be passed from parent to offspring. 3. Variation only occurs in animals. FALSE! Variation occurs in all living things, including plants. 3. Variation only occurs in animals. 2. Only living things that are members of the same species can breed together to produce fertile offspring. TRUE! Some species can be interbred. A mule is a cross between a horse and a donkey, but it cannot produce fertile offspring. 2. Only living things that are members of the same species can breed together to produce fertile offspring.

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Classification 7D Variation and classification

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7D Classification – Sorting living things

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7D Classification – Sorting living things What two groups would you classify these living things into?

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Can different plants and animals be sorted into groups? 7D Classification – Kingdoms

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7D Classification – Classifying animals What other questions could you ask to classify animals? Which of these questions is the most important when classifying animals?

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7D Classification - Vertebrates and invertebrates

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7D Classification - Vertebrates and invertebrates Which name describes which group of animals? Which group do humans belong to? invertebrates vertebrates

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7D Classification - Vertebrates

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7D Classification – Naming living things

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7D Classification – Naming living things What is the scientific name for a daffodil?

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How does scientific classification make it easier for international scientists to talk about living things? 7D Classification – Why is classification important?

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7D Classification – Quiz 2. The largest type of group of living things is called a… a) kingdom. b) queendom. c) princedom. 1. Sorting things into groups is called… a) magnification. b) fabrication. c) classification.

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7D Classification – Quiz 3. The smallest type of group of living things is called a… a) vertebrate. b) species. c) fungus. 4. Why do scientists classify living things into groups? a) To list living things in alphabetical order. b) To see how living things are related to each other. c) To arrange living things in order of size.

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7D Classification – Quiz 6. What do vertebrates have in common? a) They all walk backwards. b) They all have a backpack. c) They all have a backbone. 5. Animals are divided into two main groups called… a) cats and dogs. b) fish and mammals. c) vertebrates and invertebrates.

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7D Classification – Quiz 8. Dolphins live in water and give birth to live young that feed off their mother's milk. What kind of vertebrate are dolphins? a) Mammals. b) Fish. c) Amphibians. 7. What is the body covering on reptiles? a) Soft, moist skin with no scales. b) Soft, moist skin with scales. c) Tough, hard skin with scales.

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7D Classification – Quiz 10. The first part of the scientific naming system is… a) the Genius. b) the Genus. c) the Genie. 9. The scientific name for a domestic cat is… a) Tiddles. b) Moggius domesticus. c) Felis catus.