Draw well labelled diagram showing the life cycle of the following ani...
Life Cycle of a Cockroach
The life cycle of a cockroach consists of three main stages: egg, nymph, and adult.
1. Egg Stage
- Cockroaches lay eggs in protective cases called oothecae.
- Each ootheca can contain 30-40 eggs.
2. Nymph Stage
- Nymphs hatch from the eggs and resemble small adult cockroaches.
- They undergo several molts, becoming larger with each molt.
3. Adult Stage
- After about 3-4 months, nymphs mature into adults.
- Adult cockroaches can reproduce, continuing the cycle.
Life Cycle of a Butterfly
The life cycle of a butterfly consists of four distinct stages: egg, larva (caterpillar), pupa (chrysalis), and adult butterfly.
1. Egg Stage
- Female butterflies lay eggs on host plants.
- Each egg can develop into a caterpillar.
2. Larva (Caterpillar) Stage
- Caterpillars emerge from eggs and start feeding on leaves.
- They grow rapidly, molting several times as they outgrow their skin.
3. Pupa (Chrysalis) Stage
- After sufficient growth, caterpillars form a chrysalis.
- Inside the chrysalis, the caterpillar undergoes metamorphosis.
4. Adult Butterfly Stage
- The adult butterfly emerges from the chrysalis.
- It spreads its wings and begins the cycle anew by mating and laying eggs.
Understanding these life cycles helps us appreciate the fascinating transformations that these animals undergo, showcasing the beauty of nature and its processes.
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