| 21. | Unlike insects, spiders and other chelicerates do not have antennae.
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| 22. | The antennae are short and thicken into fans at the ends.
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| 23. | Its antennae were long, and curved back along its sides.
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| 24. | The released pheromones are received by olfactory receptors on the antennae.
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| 25. | Insect antennae and whiskers are examples of contact active sensory systems.
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| 26. | Daphnia, a crustacean, swims by beating its antennae instead.
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| 27. | These moths have bipectinated antennae for the males; apically simple.
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| 28. | The antennae are very long, extending beyond the discal spot.
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| 29. | The antennae, head and body are uniformly pale greyish yellow.
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| 30. | The antennae are very long, reaching beyond the discal spot.
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