Answer:
oxygen, carbon, hydrogen and nitrogen, a lot of it in the form of water.
Explanation:
The common characteristic of those two organisms is hard spherical shells (exoskeleton).
Foraminiferans are single cell marine eukaryotes divided into granular endoplasm and transparent ectoplasm. Foraminiferans are enveloped with tests, hard shells, usually composed of calcium carbonate (sometimes from organic compounds or silica).
Coccolithophore is a unicellular, eukaryotic alga with special calcium carbonate plates (or scales) of uncertain function (coccoliths). Each unicellular alga is enclosed in its own collection of coccoliths, the which make up its exoskeleton- coccosphere.
Explanation:
organisms like amoeba, yeast, hydra and planaria, etc.
organism like hydra uses the method of budding for asexual reproduction , amoeba uses binary fission for a serial reproduction , planar uses regeneration and in the same way , plasmodium uses multiple fission
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