B. their fuction is a result of their shape and folding
Answer:
You may not think that Fruit Flies pose a health risk but they are insects and all insects pose a health risk if they hang around long enough.
Explanation:
There are three stages in the life cycle of a spider : - the first is embryonic stage, then the larval stage and finally nympho- imginal stage.
The fossil shows evidence of how animals lived on Earth in the past and shows history about animals that may be extinct now or have evolved since then, which would show development in the animal in the fossil.
B. semicircular canals.
these are found in our ear and works by movement of a liquid and some sensory hair cells inside ear. when ever head moves in any direction sensory hair cells feels a movement of liquid and sends a signal to brain.
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