Major Anatomical Features of Insects Worksheet

University of Phoenix Material

Major Anatomical Features of Insects Worksheet

Part 1

Review the diagram and label the insect’s major anatomical features.

Antenna

Compound eye

Head

Thorax

Leg

Abdomen

Part 2

In the following table, list the major anatomical features used for keying insects. Explain the morphology—structure and form—and function of the anatomical features.

|Anatomical Feature |Morphology |Function |
|Head |The first six segments |Sensory perception, food intake, coordination, |
| | |and protection |
|Thorax |Prothorax,mesothorax,metathorax |Locomotion |
|Abdomen |Segments vary from 9-11 |Contains the major organs |
|External genitalia | |Reproduction |
| | | |
| | | |

Part 3

After you have completed Parts 1 and 2 of this worksheet, answer the following question: How do the external structures of the respiratory system coordinate with the internal structures of the respiratory system in the process of respiration?

Oxygen first enters through spiracles, or openings, into the tracheae. Now there are two types of systems