Lesson #4-- External Anatomy
- Identify the cellular and acellular layers of an insect's exoskeleton, explain the function of each component, and explain the difference between membranes and sclerites.
- Distinguish between apodemes and apophyses and give examples of each.
- Name the major parts of an insect's head capsule, including sclerites, sutures, and appendages.
- Describe the structure of primitive mandibulate mouthparts and explain how they have changed in structure and function as a result of adaptive radiation in different groups of insects.
- Identify the principle external features of the thorax and abdomen using a specimen or a drawing.
- Name the five segments of an insect's leg and describe physical adaptations that equip a leg for running, jumping, swimming, digging, or catching prey.
- Describe the general structure of insect wings and explain how their movement is controlled by direct and indirect flight muscles.
- Name the external structures that may be associated with an insect's abdomen and explain the function of each one.