Lesson plan
Ixa
Ixa is a genus of Indo-Pacific pebble crabs from the family Leucosiidae. The genus was erected by William Elford Leach in 1816. One species, the Red Sea pebble crab (Ixa monodi), is a Lessepsian migrant and the species was first described to science from specimens collected on the Mediterranean Sea although the species is native to the Red Sea and had colonised the eastern Mediterranean through the Suez Canal.
Article summary
Ixa is a genus of Indo-Pacific pebble crabs from the family Leucosiidae. The genus was erected by William Elford Leach in 1816. One species, the Red Sea pebble crab (Ixa monodi), is a Lessepsian migrant and the species was first described to science from specimens collected on the Mediterranean Sea although the species is native to the Red Sea and had colonised the eastern Mediterranean through the Suez Canal.
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
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- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
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