Misc: He led the Israelites out of Egypt?

Questions

[science and technology] what type of creature is a sidewinder?

[science and technology] what does a palaeontologist study?

[science and technology] what is considered to be the least nutritious fruit or vegetable?

[science and technology] what is the name given to the short tail of a rabbit?

[science and technology] what pistol took its name from the person who patented it in 1835?