Entomology Basics - Grade 7 Science
An introductory worksheet on entomology for 7th graders, covering insect anatomy, life cycles, and classification.
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Entomology Basics
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Read each question carefully and answer to the best of your ability. Use the provided diagram to help with anatomy questions.
Insect Anatomy
1. What are the three main body segments of an insect? (Refer to the diagram above)
2. How many legs does an insect typically have, and to which body segment are they attached?
3. Which of the following is NOT a characteristic of insects?
Exoskeleton
Six legs
Eight legs
Segmented body
4. Complete the following sentences about insect life cycles.
a. The four stages of complete metamorphosis are egg, larva, , and adult.
b. Incomplete metamorphosis has three stages: egg, nymph, and .
5. All insects have wings.
True
False
6. Why are insects important to ecosystems?