Dragonfly Life Cycle and Biology

The video explains the life cycle of insects, focusing on complete and incomplete metamorphosis. Complete metamorphosis includes four stages: egg, larva, pupa, and adult, exemplified by the butterfly. Incomplete metamorphosis has three stages: egg, nymph, and adult, as seen in dragonflies. The video details each stage's characteristics and processes.

What are the two types of life cycles that insects can undergo?

• Complete and partial metamorphosis

• Complete and incomplete metamorphosis

• Full and partial metamorphosis

• Partial and incomplete metamorphosis

In the butterfly life cycle, what is the stage called when the caterpillar is inside the egg?

• Nymph

• Larva

• Pupa

• Adult

What is the vessel called in which a caterpillar transforms into a butterfly?

• Cocoon

• Chrysalis

• Shell

• Nest

How does the butterfly emerge from the pupa?

• By eating its way out

• By pushing the pupa aside

• By splitting the pupa open

• By dissolving the pupa

What is the first stage in the life cycle of a dragonfly?

• Nymph

• Adult

• Larva

• Egg

Where do dragonflies typically lay their eggs?

• On leaves

• On tree bark

• In water or near water

• In soil

What is the primary environment for a dragonfly nymph?

• Trees

• Water

• Soil

• Air

How does a dragonfly nymph breathe?

• Through lungs

• Through spiracles

• Through gills

• Through skin

What happens to a dragonfly nymph during molting?

• It lays eggs

• It changes color

• It sheds its old skin

• It grows new wings

What must a dragonfly do before it can fly after emerging as an adult?

• Lay eggs

• Wait for its wings to harden

• Find a mate

• Find food