Monday, November 1, 2010

Life Cycle

Different animals have different number of stages in their life cycles.

Four-staged life cycle
Egg ---->larva (moulting occurs at this stage)-------> pupa (Feeding stops at this stage, changes takes place inside the pupa) -------> adult
mosquito
butterfly
moth
mealworm beetle

Three-staged life cycle
Egg----->nymph------>adult
cockroach
grasshopper
dragonfly

Three-staged life cycle
Egg----->young------->adult
frog
chicken

Life cycle of a plant
seed------>seedling(young plant) ------>adult plant
*only able to make food when leaves appear. Depends on seed coat for food before leaves appear.

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