Chapter 9 : Introduction to animals Lesson # 1: What are animals? Objective : Classify animals according to their body s structure
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1 Objective : Classify animals according to their body s structure
2 Objective : Classify animals according to their body s structure How do scientists group animals? Scientists group animals by using the symmetry of their body. Animals classification by symmetry: - Bilateral symmetry - Radial symmetry - Asymmetry
3 Objective : Classify animals according to their body s structure
4 Objective : Classify animals according to their body s structure Examples of bilateral symmetry animals: Butterfly Turtle Crayfish
5 Objective : Classify animals according to their body s structure Examples of radial symmetry animals: Coral polyp Sea star Jellyfish
6 Objective : Classify animals according to their body s structure Examples of Asymetry animals:
7 Objective : Classify animals according to their body s structure Scientist use two method to classify animals in groups: - Taxonomy : organize living things according to common traits - Family tree: shows the relationships among and within generations of a family. Show the organization among the same taxonomy
8 Taxonomy structure: Chapter 9 : Introduction to animals Objective : Classify animals according to their body s structure -
9 Taxonomy structure: Chapter 9 : Introduction to animals Objective : Classify animals according to their body s structure -
10 Objective : Classify animals according to their body s structure Family Tree: -
11 Objective : Classify animals according to their body s structure What is adaptation? Is an inherited trait that increases an organism s chance of surviving and reproducing in its environment. Types of animal adaptations: - Structural - Behavioral - Functional
12 Objective : Classify animals according to their body s structure Structure adaptations: Have structural adaptations that includes their senses,skeletons, and circulation. Examples: -Snakes can detetct infrared light and insects can senses ultraviolet light. These can help them detect the presence of food or an enemy.
13 Objective : Classify animals according to their body s structure Behavioral adaptations: Animals are born with behaviors called instincs. Examples: -A male fly instinctively waves its wings at a female to attract its attention, and young songbirds learn how to sing their songs by listening to their parents.
14 Objective : Classify animals according to their body s structure Functional adaptations: Enable them to increase survival or maintain homeostasis. Example: - Enable animal to reproduce successfully either in water or on land.(amphibians)
15 Lesson # 2: Invertebrates Objective : Observe the differences between invertebrates and vertebrates Invertebrates : animals without backbones, support their bodies with hydrostatic skeleton(fluid-filled internal cavity) or exoskeleton(a hard outer covering).
16 Lesson # 2: Invertebrates Objective : Observe the differences between invertebrates and vertebrates Types of invertabrates animals:
17 Lesson # 2: Invertebrates Objective : Observe the differences between invertebrates and vertebrates Types of invertabrates animals:
18 Lesson # 3: Vertebrates Objective : Observe the differences between invertebrates and vertebrates vertebrates : animals with backbones, support their bodies with an endoskeleton.
19 Lesson # 3: Vertebrates Objective : Observe the differences between invertebrates and vertebrates Examples of vertebrates animals:
20 Lesson # 3: Vertebrates Objective : Observe the differences between invertebrates and vertebrates Examples of vertebrates animals:
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