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Answer:

The Rhizaria are supergroup species of mostly unicellular eukaryotes and classified as protista. Rhizaria include species like cercozoa, foraminifera and radiolaria.

Some of the attributes of Rhizaria are:

  • non-photosynthethic in nature, but some have a symbiotic relationship with unicellular algae.
  • express only rDNA sequences so they can vary in different forms.
  • do not have clear morphological characters
  • they mostly includes amoebas which functions for food engulfing and help to direct movement in rhizarian protista.

Contribution of Rhizaria to the ecosystem:

  • There are known as abundant bacterial grazers, and play very important role in microbial food webs.
  • They provide a wide diversity of marine organisms.
  • important contributors to oceanic carbon pools .

Hence, Rhizaria are important part of ecosystem.

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