draw and explain the life cycle of three following animals 1 silkworm 2ladybug. 3honey bee
Answers
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Explanation:
SILKWORM
Stage 1: Egg
An egg is the first stage of the life cycle of the silkworm. The egg is laid by a female moth which is mostly the size of small dots. A female moth lays more than 350 eggs at a time. In the springtime, the eggs hatch due to the warmth in the air. This procedure happens once in every year.
Stage 2: Silkworm
A hairy silkworm arises after the eggs crack. In this stage of silkworms, the growth happens. they feed on mulberry leaves and consume a large amount of these leaves for around 30 days before going to the next stage.
Stage 3: Cocoon
In this stage, silkworms spin a protective cocoon around itself. It is the size of a small cotton ball and is made of a single thread of silk.
Stage 4: Pupa
The pupa stage is a motionless stage. In this stage, people kill the pupa by plunging the cocoon into boiling water and unwind the silk thread.
Stage 5: Moth
In this stage, the pupa changes into an adult moth. The female moth lays eggs after mating and thus the life cycle of silkworm begins again.
Lady Bug
Embryonic Stage (Eggs)
The ladybug life cycle begins with an egg. Once she has mated, the female ladybug lays a cluster of five to 30 eggs.
Larval Stage (Larvae)
In two to 10 days, ladybug larvae emerge from their eggs. Ladybug larvae look somewhat like tiny alligators, with elongated bodies and bumpy exoskeletons. In many species, the ladybug larvae are black with brightly colored spots or bands.
Pupal Stage (Pupae)
In its pupal stage, the ladybug is usually yellow or orange with black markings. The pupa remains still, attached to a leaf, throughout this stage.
Imaginal Stage (Adult Beetles)
Newly emerged adults, or imagos, have soft exoskeletons, making them vulnerable to predators until their cuticles harden. They appear pale and yellow when they emerge but soon develop the deep, bright colors for which ladybugs are known.
Honey Bee
Stage 1 – The Egg Stage:
Queen bee is the only bee in the colony who is capable of laying about 2,000 to 3,000 eggs in one day. The egg is positioned upright and falls on the side by the third day. The queen bee lays both fertilized egg and unfertilized egg. The fertilized egg develops into female bees or queen bees. The unfertilized egg hatches and male bees are born; also known as drone bees.
Stage 2 – The Larval Stage:
The difference between a worker and the queen bee is made three days after the egg transforms into larvae and six days after the egg is laid in the beehive. The “royal jelly” is fed to all the larvae, i.e., the female bees, the workers and the drone bees during their initial three days as larvae. The larva sheds skin multiple times throughout this stage. Later, the royal jelly is fed only to the female larvae, which eventually becomes a queen bee. Finally, the worker bees cover the top of the cell with beeswax to protect and facilitate the transformation of the larvae into a pupa.
Stage 3 – The Pupal Stage:
Here the bee has developed parts like wings, eyes, legs and small body hair that physically appears close to an adult bee.
Stage 4 – The Adult Stage:
Once the pupa is matured, the new adult bee chews its way out of the closed-cell. The queen bee takes 16 days from the egg stage to form into an adult. The worker bee takes 18 to 22 days for complete development, and drone bees take 24 days to develop into an adult bee.