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What percent of dry weight of an insects exoskeleton is chitin?
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What material is the exoskeleton of arthropods comprised?
The exoskeleton of arthropoda is made of a tough protein called chitin, a long chain polymer comparable to cellulose. It fills the same role as the protein keratin in other animals where it would be found in hair, nails, hooves, claws, beaks, etc. Some arthropods, like crustaceans, further harden their chitin exoskeleton by biomineralization with calcium carbonate. Because it is inflexible, the organism has to periodically shed it (moult) in order to grow.
Can crickets become over weight?
No, they jump to much for that (just kidding, anything with an exoskeleton can become overweight, especially insects.)
What bug has the toughest exoskeleton?
The rhinoceros beetles have the toughest and strongest exoskeleton. They are able to carry and move things 850 times their weight.
Insects can never be as big as rats because there cuticle is too big?
There is an upper limit to the size insects and other creatures with an exoskeleton can reach. At a certain size, the exoskeleton will collapse under its own weight. But there were invertebrates as big as or bigger than rats in the past, for example dragonflies with a wingspan of 3 feet or sea scorpions that reached a length of 7 feet (being aquatic helps, since the water will support the exoskeleton).http://en.wikipedia.org/wiki/EurypteridToday, the biggest beetles (Titan and Hercules beetle) are up to 6.5 inches long and that is the size of a small rat. But apparently, that's about as big as they get today.
How do ants pick up things?
They have a strong exoskeleton and can lift 10x it's weight.
Why do small insects flout in water?
because boyancy lats the insects weight
What is an endoskeleton-?
An endoskeleton is inside of the body; like humans, bears, cats, dogs, etc.An exoskeleton is outside of the body; like insects, crabs, lobsters, etc.An endoskeleton is an internal framework which supports the weight and forms the basic structure of a body. Muscles and organs are connected to the skeleton and the bones form joints within the body.Skeletons inside the body.
What helps a arthropod keeps it shape?
The exoskeleton of arthropods defines their gross morphology (as determined and maintained by principles of genetic expression); although life stages may evidence significant differences (egg and larval stages, versus adult shape, for example). Since the exoskeleton can't grow owing to its rigidity, arthropods need to periodically shed it in order to increase in size, a process called ecdysis.
How do you converting from atomic percent to weight percent?
How can I convert atomic percent to weight percent for example TiC -45%atomic C convert to weight percentage?
Does weight-bearing on a fracture mean percent of body weight or percent of time?
body weight
Why does insects exoskeleton limit growth?
Animals that possess exoskeletons are limited in the maximum size they can reach. As an animal gets larger its shell must increase in size in order to support its weight. This causes the surface to volume ratio to decrease. As this ratio decreases, it becomes more difficult for the animal to obtain enough oxygen for cellular respiration and space for internal organs is also lost with a thickening shell.
How much water must be added to 40ml of a 25 percent by weight solution to make a 2 percent by weight solution?
About 80ml of water must be added to 40ml of a 25 percent by weight solution to make a 2 percent by weight solution.
