SuffixesA suffix is a letter or group of letters added at the end of a word which makes a new word. â¦. Suffixes: spellingOften, the suffix causes a spelling change to the original word.
Sea otters are an example of a keystone species because due to their feeding habits, kelp is allowed to flourish which leads to absorption of high amounts of #CO_2#, preservation of the organisms which rely on kelp for survival, as well as protecting coastlines.
A keystone is the stone at the top of an arch that supports the other stones and keeps the whole arch from falling. A keystone species is a species on which the persistence of a large number of other species in the ecosystem depends.