True/False Indicate whether the sentence or statement is true or false. |
| 1. | A flying insect carries pollen from one flower to pollinate other flowers of different species. |
| 2. | Insects comprise the only group of invertebrates whose members are primarily terrestrial. |
| 3. | Insects were the first animals to evolve wings. |
| 4. | Flight enabled insects to search Earth’s surface for food, mates, and nesting sites. |
| 5. | A major factor in the evolutionary success of insects is their ability to move to and survive in new environments. |
| 6. | Insects destroy not only crops but also wood buildings and clothing. |
| 7. | Butterflies undergo incomplete metamorphosis. |
| 8. | Insects use pheromones, sounds, and light to attract mates. |
| 9. | The honeybee’s round dance gives complete location information about a food source. |
Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. |
| 10. | From fossils, we know that insects were the first animals to evolve a. | pincers on their front legs. | c. | jointed legs. | b. | stingers at the end of their tails. | d. | wings. | | | | |
|
| 11. | The most diverse group of animals on Earth are the a. | reptiles. | c. | insects. | b. | mammals. | d. | amphibians. | | | | |
|
| 12. | Which of the following is not a characteristic of most insects? a. | wings | c. | small size | b. | three body regions | d. | abdomen with three pairs of legs | | | | |
|
| 13. | While insects destroy crops grown for human consumption, they also contribute to crop production by a. | serving as food for many animals. | b. | pollinating crop plants. | c. | dying in the soil, and leaving behind nutrients. | d. | stimulating crop plants to grow faster. | | |
|
| 14. | Malpighian tubules in insects a. | remove wastes. | c. | carry Malpighian fluid. | b. | carry blood. | d. | are important in respiration. | | | | |
|
| | |
| 15. | Refer to the illustration above. Which of the organisms in the diagrams has a chitinous exoskeleton? a. | Organism “A” | c. | Organism “C” | b. | Organism “B” | d. | Organism “D” | | | | |
|
| | |
| 16. | Refer to the illustration above. Mandibles are attached to the structure labeled |
| 17. | Refer to the illustration above. The structure labeled “C” is called the a. | diptera. | c. | boll. | b. | thorax. | d. | abdomen. | | | | |
|
| 18. | Pheromones are used by ants to a. | guide members of a colony back to their own nest. | b. | determine which ants will become queens of future colonies. | c. | ensure that females mate with only one male. | d. | warn members of a colony of adverse environmental conditions. | | |
|
| 19. | Which of the following are the reproductive members of a honeybee colony? a. | drones | c. | workers | b. | queen | d. | a and b | | | | |
|
| 20. | Which of the following is the accepted explanation for the existence of sterile female worker bees? a. | Because they are sterile, they do not have to use energy to produce eggs and therefore can use energy to collect food for other bees. | b. | Workers become sterile when they leave the nest to obtain food and are exposed to toxic substances. | c. | Workers pass on a lot of their own genes by helping their fertile sisters to survive and reproduce. | d. | Workers can become fertile females if they are fed queen factor. | | |
|