three paits of jointed legs.
Edit: Be Real Man. The real answer is that the water pushes heavy stuff up to make them lighter in water then in land.
edit: really you both are rong the real answer is:Afaik this depends on the animal in question. Some insects, for example, do not grow in size at all when adults and thus avoid this problem. Animals that do shed their exoskeleton can move, the underlying soft exoskeletong along with the internal pressure of the animal are enough to facilitate this. But at least many crayfish (and likewise many otehr arthropods that shed their exoskeleton) hide until their exoskeleton has hardened again - that is, they can move, but will not unless they really have to. They just hide in some nook and wait.
And what comes to other disadvantages of chitious exoskeleton: it allows muscles to attach only inside of the exoskeleton, quite unlike human muscles for example work. This provides poorer strength production, which is why arthropods cannot really grow much larger than what we see around us. For similar reasons, virtually all the largest arthropods live in water, because there you need less strength to move heavy weights.
Even though we know that ants are mighty strong compared to their size, human-sized ants would collapse even udner their own weight and they could not carry a hundred or so times their weight like small ants do!
Arthropods have an intrinsic physical size limitation for various reasons, partly based on their strategy of using exoskeletons; as size increases examples larger than about three feet across are increasingly rare, particularly on land. Aquatic arthropods have the advantage of having their weight reduced by the amount of water that they displace when underwater, this weight is slightly less limiting and they can grow somewhat larger. Some examples would be the lobster which may be the heaviest living arthropod, the Japanese spider crab which has the largest recorded size, and among the largest arthropods the now-extinct Eurypterid which was also marine.
Why is a large heavy exoskeleton less limiting for arthropods that live in the water?that is not the answer!!
Why is a large heavy exoskeleton less limiting for arthropods that live in the water?that is not the answer!!
Why is a large heavy exoskeleton less limiting for arthropods that live in the water?that is not the answer!!
Large populated cities, combined with significant agribusiness needs stress the limited water supply of southern California.
All arthropods evolved in water.
The reason why fresh water is considered a limited resource is because the large majority of water on earth is saltwater. 97 percent of the earth's water supply is saltwater and only 2.5 percent is fresh water, some of which is snow and ice.
yes a water flea is a insectno.Classification: Water fleas are cladocerans, which are crustaceans under the arthropods.
Legs and exoskeletons were extremely useful, as these enabled the creatures to resist gravity, which is not a concern in the bouyancy of water.
because you can just stop drinking the water and buy water bottles that were bottled far away so the water is ok. arthropods are hard to wipe out
Arthropods are found in almost every habitat on Earth. They live in a diverse range of environments, including tropical rainforests, deserts, grasslands, mountains, and even underwater in oceans and freshwater habitats. Arthropods are incredibly adaptable and can thrive in a variety of conditions.
GHT Limited is a large company that consults engineers. They are well known for their system intergrations, on-site power generators and storm water management.
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