GrassHopper Dissection

Appendage

Extension of body (ex: arm, leg, antennae)

Coelem

Body cavity with fluid

Cephal Thorax Abdomen

Cephal - Head (sensory)

Thorax - Chest (movement) (wings & legs)

Abdomen (reproduction / digestive)

Exoskeleton - Advantages, Disadvantages

Chitin protects internal organs, but does not grow with animal

Animal has to “molt“, or shed skin, and form a new exoskeleton

Period in which animal molts, afterwards are very vulnerable

Metamorphosis - incomplete & complete

Incomplete 3 stages (Egg → Nymph → Adult)

Complete 4 stages (Egg → Larva → Pupa → Adult)