Insects Quiz: 15 Entomology Questions
Insects make up more than 80% of known animal species! Bees, ants, butterflies, ladybirds… Do you really know these little creatures that play an essential role in our ecosystems?
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Frequently asked questions: Insects
A preview of what awaits you in this insects quiz: 15 multiple choice questions, each with a detailed explanation so you learn as you play. Here are a few sample questions (and their answers, no peeking before you play!).
How many legs does an adult insect have?
Answer: 6 legs. All adult insects have exactly 6 legs, arranged in 3 pairs. This is one of the features that sets them apart from arachnids (8 legs) such as spiders, which are not insects.
How many black spots does a seven-spot ladybird usually have?
Answer: 7 spots. The seven-spot ladybird (Coccinella septempunctata) has exactly 7 black spots on its red wing cases. The number of spots does not indicate the ladybird's age but identifies the species.
Roughly how many insect species are estimated to exist on Earth?
Answer: About 1 million. It is estimated that around 1 million insect species have been described, but scientists believe the total number could reach 5 to 10 million. Insects account for more than 80% of all known animal species.
What is special about the compound eyes of insects?
Answer: They are made up of thousands of tiny lenses called ommatidia. The compound eyes of insects are made up of thousands of tiny visual units called ommatidia. A dragonfly has about 30,000 ommatidia per eye, which gives it an almost panoramic field of vision and excellent motion detection.
What is the function of the exoskeleton in insects?
Answer: Protection, structural support and prevention of dehydration. The exoskeleton of insects, made mainly of chitin, has three essential functions: it protects against predators and injury, acts as an external skeleton to which muscles attach, and limits water loss to prevent dehydration.
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