Insects and Their World Flashcards

Grade 2 · Science · Flashcards

Review key vocabulary about insect body parts, metamorphosis, and roles in nature.

Flashcards

Insect: Animal with 6 legs, 3 body parts, antennae, and an exoskeleton
Head: Front part of an insect; contains eyes, mouth, and antennae
Thorax: Middle part of an insect; wings and legs attach here
Abdomen: Back part of an insect; contains digestive organs
Exoskeleton: Hard outer shell protecting an insect's body (no internal bones)
Antennae: Feelers on an insect's head used for sensing smell and touch
Metamorphosis: The transformation an insect goes through as it grows and develops
Complete metamorphosis: 4 stages: egg → larva → pupa → adult (butterfly, bee)
Incomplete metamorphosis: 3 stages: egg → nymph → adult (grasshopper, cricket)
Larva: The worm-like stage after hatching in complete metamorphosis (caterpillar)
Pupa: The resting, transforming stage in complete metamorphosis (chrysalis)
Pollination: Transfer of pollen between flowers by insects like bees and butterflies