Success of Insects as a Group_1

Hard and Chitinous Exoskeleton
1. Internal Muscle Attachment
2. Protection From Evaporation
3. Protects Vital Internal Organs
Presence of Functional Wings
1. Increased Feeding & Breeding Range
2. Easy Escape
Small SIze
1. Increased Food Availability For Other Larger Animals
2. Hide Easily From Enemies
3. DISADVANTAGE: Total Body Area > Total Body Volume = Evaporation
Adaptability of Structures
1. Forelegs = Accessory Mouthpart, NOT for Locomotion
2. Modified Respiratory Structures For Aquatic and Terrestrial Insects
Complete Metamorphosis
1. 1. Egg Stage
2. 2. Larval Stage (Feeding)
3. 3. Pupal Stage (Transformation)
4. 4. Adult Stage (Reproductive)
High Fecundity (Rapid Multiplication)
1. a. Large Number of Young in a Single Generation
2. b. Short Life Cycle and Rapidly Succeeding Generations
  1. Aphids
    1. Each Family - 12-16 young
    2. Reproduction at 8 days old
    3. Completed Generation in 16 Days

Resumen del Recurso

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