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The gills are feathery so it has more surface area, allowing more gas exchange!

By gas exchange u mean to take in oxygen and let out carbon dioxide, right?

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12y ago
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12y ago

They are Highly branched because they are sedentary animals. Because they are sedentary they don't move to absorb oxygen. They need to absorb more oxygen.

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Q: Why do crayfish gills have a large surface area?
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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


The feathery nature of the gills gives the crayfish a very large surface area why is this important?

To acquire more oxygen from water as the large SA of the gills allow more water to pass through and thus more O2 from the water to transfer into the gill-bearing creature's bloodstream for respiration


Which feature is common to gills lungs and tracheae?

Large surface area


Why is the feathery nature of gills gives them a very large surface area is important?

Without the large surface are, the gills would have to be much larger and that may have prevented the development of the organisms that use gills.


How does the structure of gills allow for the production of so many spore?

large surface area.


Why do gills have a large surface area and are rich in blood?

because in many organisms like fish etc it is an organ for respiration the gills are supplied with capillaries so that the oxygen absorbed can diffuse into the blood it has large surface area so that more oxygen can be diffused in and more co2 can be removed


How does surface area to volume ratio affects an organism?

If the surface area of the organism is small, then there is no problem with getting all the oxygen needed. If the surface area of the organism is large, therefore a special respiratory surface is needed. An example is lungs, gills. The ratio of surface area to volume in a small organism is greater than the ratio in a large organism.


Where are a crawdad's gills?

A crawdad's gills are located on the underside of its body, attached to its legs. They are feathery in appearance, giving a large surface area for allowing its blood to release carbon dioxide and absorb oxygen from water. The top side of a crawdad, above the gills and legs, is called the carapace, which is the shell on its back.


Why do the gills have a large surface area and rich in blood vessels?

Gills are the underwater equivalent of our lungs and they need those features in order to extract enough oxygen from the water so that they can breath.


How does the structure of mushroom gills allow for the production of so many spores?

The gill provide a very large surface area for the space that they have.


The gills on the underside of a mushroom are used for?

The gills of a mushroom house the basidia, the cells on which the spores are produced. The gills function as a large surface area over which to produce millions of spores that is exposed air yet protected from large fluctuations in air temperature, moisture, etc.


Why do radiators have a large surface area?

They have a large surface area so there is enough area for heat radiation.