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How does a crayfish breath?
Crayfish use gills to breath.
Do crayfish have gills?
yes
How do crayfish exchange gas?
Crayfish exchange gases through gills located underneath their carapace. Water is drawn in through the crayfish's openings and passes over the gills, where oxygen is absorbed and carbon dioxide is released.
Why are gills necessary to an animal such as crayfish?
Gills allow animals to breath underwater.
What 2 systems of a crayfish are most unlike human systems?
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).
Does a crayfish have gills feathers or scales?
A crayfish has gills, which are specialized organs used for breathing underwater. They extract oxygen from the water as it flows over them. Crayfish do not have feathers or scales; instead, their bodies are covered with a hard exoskeleton.
Why is it important that the gills of a crayfish give them a large surface area?
It is important that the gills of a crayfish give them a large surface area because it helps the crayfish to breathe. The bigger the surface area, the more oxygen in the crayfishes system.Ê
What structures are located at the base of each walking leg on a crayfish?
gills
What does a crayfish breathe with?
Something that looks quite similar to a fish's gills.
Are crayfish water or land fish?
BOTH, as long as their gills are moist
When the crayfish is not walking how does water move over the gills?
By using their swimerettes. They create a current of water and then it goes through their gills.
What structures do spiders grasshoppers and crayfish have for exchanging gases?
spiders: book lung grasshopper : trachea crayfish: gills
