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Essay on Red Back Spiders
Title: Essay on Red Back Spiders
Category: Science & Technology / Zoology
Details: Words: 233 | Pages: 1.0 (approximately 235 words/page)
Essay on Red Back Spiders
Once the female has mated, she can store sperm and use it over a period of up to two years to lay several batches of eggs. She spends much time producing up to ten round egg sacs (1cm diameter), which are white, weathering to brown over time. Each egg sac contains approximately 250 eggs and only one to three weeks need to pass before more eggs can be laid. These sacs are suspended within the web. …showed first 75 words of 233 total…
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…showed last 75 words of 233 total…several milder envenomations probably going unreported. Only the female bite is dangerous. They can cause serious illness and have caused deaths. However, since Redback Spiders rarely leave their webs, humans are not likely to be bitten unless a body part such as a hand is put directly into the web, and because of their small jaws many bites are ineffective. The venom acts directly on the nerves, resulting in release and subsequent depletion of neurotransmitters.
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