Frequency describes the number of waves that pass a fixed place in a given amount of time.
Answer: "Hair follicles are divided into three parts : the <em>infundibulum</em>, the <em>isthmus</em> and the <em>bulb</em>."
"Each hair contains protein called Keratin. "
Explanation:
If a invasive species were to intervene in the food web then it would break the web because it if were to kill the species it attacked then the web would be broken and a native species might also do the same.
