Answer:
Protista and fungi are lower level organisms, which are classified into the kingdom Protista and Fungi, respectively. Protists are mostly unicellular organisms, whereas the fungi are mostly multicellular organisms. ... Protists can be either heterotrophs or autotrophs. Fungi contain a cell wall, which is made up of chitin.
Explanation:
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<u><em>Source is from my own knowledge</em></u>
The importance of cataracts are that they act as defensive barriers to keep away the intruders or attackers. This helped Egypt thrive for some while, until it was later attacked from the west.