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Questions and Answers
Which adaptations do spiders use to catch prey?
Which adaptations do spiders use to catch prey?
What does the crab spider species (Epicadus heterogaster) mimic to attract prey?
What does the crab spider species (Epicadus heterogaster) mimic to attract prey?
A dainty white flower
The average prey attraction rate is higher when the spider is present than when it is removed.
The average prey attraction rate is higher when the spider is present than when it is removed.
True
What do bolas spiders produce to attract male moths?
What do bolas spiders produce to attract male moths?
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The _____ of webs affects spider hunting strategies.
The _____ of webs affects spider hunting strategies.
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What are some characteristics of nocturnal web-building spiders?
What are some characteristics of nocturnal web-building spiders?
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Study Notes
Adaptations of Spiders
- Spiders have been evolving for about 400 million years to increase their survivability.
- They have developed various adaptations, including the use of silk, to diversify as plant and insect life did.
Looks as a Lure
- The crab spider species (Epicadus heterogaster) looks like a dainty white flower to lure prey.
- Its abdomen glitters, reflecting the sun, to catch the attention of bees and flies.
Mimicry
- The spider (Phrynarachne decipiens) mimics bird droppings to draw in prey in Malaysia.
- It lures unsuspecting flies looking to use it as a source of food or lay their eggs in the poop.
Scent as a Lure
- Bolas spiders (genus Mastophora) prey on moths by producing pheromones made by female moths looking to mate.
- Adult female bolas spiders reel in male moths with a sticky clump of specialized silk.
Web Design and Decoration
- Spider web design and decoration attract prey.
- Patterns like thick white silk bands or reflective elements make webs more appealing to insects.
Visual Signal of Webs
- Nocturnal web-building spiders use body coloration and the visual signal of webs to attract prey at night.
- Vibrant colors are used to attract prey at night.
Evolutionary Driving Forces
- The evolutionary driving forces behind the various architectures of spider webs have been recognized as pressure from the foraging environment and predators.
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Description
Learn about the clever ways spiders lure in their prey. This quiz covers the introduction to spiders and their prey capture methods.
