Metamorphosis in Insects

The video explains metamorphosis in biology, focusing on the transformation process from immature to adult forms in insects. It covers two types: incomplete metamorphosis, with three stages (egg, nymph, adult), and complete metamorphosis, with four stages (egg, larva, pupa, adult). Examples include dragonflies and monarch butterflies. The video concludes with a review of these stages.

What does metamorphosis in biology refer to?

• The hibernation of mammals

• The migration of birds

• The transformation from an immature form to an adult form

• The process of photosynthesis in plants

Which of the following is NOT a stage in incomplete metamorphosis?

• Adult

• Pupa

• Larva

• Egg

What is a characteristic of nymphs in incomplete metamorphosis?

• They have wings

• They are aquatic

• They look exactly like adults

• They do not shed their skin

Which insect is an example of incomplete metamorphosis?

• Bee

• Dragonfly

• Butterfly

• Ant

How many stages are there in complete metamorphosis?

• Five

• Four

• Three

• Two

During which stage of complete metamorphosis does the insect not eat or move?

• Egg

• Adult

• Larva

• Pupa

What is the primary difference between larva and pupa stages in complete metamorphosis?

• Pupa is the stage where transformation occurs

• Larva is the stage where the insect has wings

• Larva is the final stage

• Pupa is the stage where the insect lays eggs

Which of the following insects undergoes complete metamorphosis?

• Termite

• Monarch butterfly

• Cockroach

• Grasshopper

In complete metamorphosis, what does the larva primarily do?

• Eat and grow

• Fly

• Lay eggs

• Hibernate

What is the final stage in both incomplete and complete metamorphosis?

• Egg

• Nymph

• Adult

• Pupa