Dragonfly Biology and Behavior

The video provides an overview of dragonflies, covering their classification, physical characteristics, unique features, diet, life cycle, habitats, and families found in Illinois. It also distinguishes dragonflies from damselflies and encourages viewers to explore and support the Douglas-Hart Nature Center.

Which class do dragonflies belong to?

• Amphibia

• Reptilia

• Insecta

• Mammalia

Which of the following is NOT a characteristic of dragonflies?

• Segmented body

• Exoskeleton

• Compound eyes

• Two pairs of antennae

What is a unique feature of dragonfly eyes?

• They cover most of the head.

• They are very small and hard to see.

• They are used for hearing.

• They are located on the abdomen.

What is the function of a dragonfly's mandibles?

• To lay eggs

• To catch and eat prey

• To help them fly

• To communicate with other dragonflies

What is the primary diet of dragonflies?

• Nectar from flowers

• Fruits and berries

• Small fish and insects

• Leaves and plants

What is the speed of a dragonfly when hunting?

• 40 miles per hour

• 60 miles per hour

• 20 miles per hour

• 80 miles per hour

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

• Larva

• Egg

• Adult

• Nymph

Where do dragonflies typically lay their eggs?

• On tree leaves

• In water

• On rocks

• In the soil

How many dragonfly families are found in Illinois?

• Seven

• Three

• Five

• Nine

What is a key difference between dragonflies and damselflies?

• Dragonflies are nocturnal, damselflies are diurnal.

• Dragonflies hold their wings out, damselflies hold them above their body.

• Dragonflies have two pairs of wings, damselflies have one.

• Dragonflies are herbivores, damselflies are carnivores.