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Exoskeleton: Crayfish have a hard shell, and no bones. That makes crayfish invertebrates (no spine).
Gills: Crayfish respire underwater through gills, where humans use lungs.
The circulatory system is the second one, the reason for this being that crayfish have no blood vessels (and humans obviously do).
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Of the crayfish systems what two are the most unlike the humans systems?
The skeletal and digestive system of a crayfish are unlike ours.
Of the body systems studied which two are most unlike the related human system cray fish?
The skeletal system and the digestive system.
Which country buys most of Australia's crayfish?
China buys most of Australia's crayfish.
What human body systems are needed directly to write?
Muscular and nervous systems, most directly.
Unlike most tigers this one preferred human flesh over that of deer?
Direct
Who buys most of Australia's crayfish?
China buys most of Australia's crayfishChina buys most of Australia's crayfish
Where is the most crayfish production?
Lousiana supplies more than 90% of the crayfish production
Which two are most unlike the related human system?
1. The Skeletal System 2. The Digestive System
What is the worlds most expensive crayfish?
bioootch
Which of the following systems does alcohol have the most immediate effect on in the human body?
central nervous
What is the scientific name for crayfish?
There are several hundred different species of crayfish around the world. The most common one in US seafood markets and restaurants is the red swamp crayfish, Procambarus clarkii, most of which come from Louisiana.
Is human DNA in the sewer systems or does it dissintergrate?
Human DNA does sometimes stay alive in sewer systems without disintegrating. However, over time, it will eventually decay. Most times, this can take up to 1 year.
