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  2. Algae - Wikipedia

    en.wikipedia.org/wiki/Algae

    Most algae are autotrophic, ... [10] Some other heterotrophic organisms, ... Three forms of algae used as food: Chlorella: ...

  3. Autotroph - Wikipedia

    en.wikipedia.org/wiki/Autotroph

    Other organisms, called heterotrophs, take in autotrophs as food to carry out functions necessary for their life. Thus, heterotrophs – all animals , almost all fungi , as well as most bacteria and protozoa – depend on autotrophs, or primary producers , for the raw materials and fuel they need.

  4. Marine protists - Wikipedia

    en.wikipedia.org/wiki/Marine_protists

    Autotrophic protists that make their own food without needing to consume other organisms, usually by photosynthesis (sometimes by chemosynthesis) Green algae, Pyramimonas: Red and brown algae, diatoms, coccolithophores and some dinoflagellates. Plant-like protists are important components of phytoplankton discussed below. Animal-like

  5. Heterotrophic nutrition - Wikipedia

    en.wikipedia.org/wiki/Heterotrophic_nutrition

    All eukaryotes except for green plants and algae are unable to manufacture their own food: They obtain food from other organisms. This mode of nutrition is also known as heterotrophic nutrition. All heterotrophs (except blood and gut parasites) have to convert solid food into soluble compounds which are capable of being absorbed (digestion ...

  6. Dinoflagellate - Wikipedia

    en.wikipedia.org/wiki/Dinoflagellate

    About half of living dinoflagellate species are autotrophs possessing chloroplasts and half are nonphotosynthesising heterotrophs. The peridinin dinoflagellates, named after their peridinin plastids, appear to be ancestral for the dinoflagellate lineage. Almost half of all known species have chloroplasts, which are either the original peridinin ...

  7. Consumer (food chain) - Wikipedia

    en.wikipedia.org/wiki/Consumer_(food_chain)

    A consumer in a food chain is a living creature that eats organisms from a different population. A consumer is a heterotroph and a producer is an autotroph.Like sea angels, they take in organic moles by consuming other organisms, so they are commonly called consumers.

  8. Marine primary production - Wikipedia

    en.wikipedia.org/wiki/Marine_primary_production

    The organisms responsible for primary production are called primary producers or autotrophs. Most marine primary production is generated by a diverse collection of marine microorganisms called algae and cyanobacteria. Together these form the principal primary producers at the base of the ocean food chain and produce half of the world's oxygen ...

  9. Heterotroph - Wikipedia

    en.wikipedia.org/wiki/Heterotroph

    Today, many heterotrophs and autotrophs also utilize mutualistic relationships that provide needed resources to both organisms. [28] One example of this is the mutualism between corals and algae, where the former provides protection and necessary compounds for photosynthesis while the latter provides oxygen. [29]