The appendages of arthropods are. found only on the head. hard and immovable. jointed and extend from the body wall. divided into six branches. What substance found in the skeleton of a desert-dwelling beetle is likely to be absent from the skeleton of an aquatic beetle?. chitin wax silk
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If a butterfly touches sugar water with one of its legs, it usually will begin to feed. If it touches salt water, it usually will not feed. The most likely explanation for this difference in response is that butterflies
If an arthropod has antennae and its body is divided into a cephalothorax and an abdomen, the arthropod is classified in the group called chelicerates. _________________________
When a honeybee performs the round dance, it indicates that a food source has a low energy value by changing direction less frequently than it would if the food were high quality. _________________________
An immature grasshopper resembles an adult grasshopper but does not have wings. Therefore, grasshoppers undergo ____________________ metamorphosis.
Suppose an arthropod lacked the skin glands that normally are responsible for digesting the inner part of the skeleton. How would this defect affect the arthropod’s ability to grow?
Suppose you observed an arthropod whose body was divided into a cephalothorax and an abdomen. To which of the three major groups of arthropods could this specimen belong?
If you found a caterpillar of a species you had never seen before, why would it be difficult to predict what the adult of that species looks like?
A friend tells you that he has found a small animal with a segmented body and jointed appendages. On the basis of these two features, he concludes that the animal is an arthropod. Evaluate his conclusion.
One reason that is cited for the evolutionary success of insects is that many young insects differ from adults in appearance and feeding methods. However, this reason generally applies only to insects undergoing one of the two types of insect metamorphosis. What is that type of metamorphosis? Why doesn’t the other type of metamorphosis have this advantage?