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algae    音标拼音: ['ældʒi]
n. 藻类,海藻

藻类,海藻

algae
n 1: primitive chlorophyll-containing mainly aquatic eukaryotic
organisms lacking true stems and roots and leaves [synonym:
{alga}, {algae}]

algae \algae\ n.
plural of {alga}.
[WordNet 1.5]


Alga \Al"ga\, n.; pl. {Alg[ae]} or {algae}. [L., seaweed.]
(Bot.)
A kind of seaweed; pl. the class of cellular cryptogamic
plants which includes the black, red, and green seaweeds, as
kelp, dulse, sea lettuce, also marine and fresh water
conferv[ae], etc. The algae are primitive
chlorophyll-containing mainly aquatic eukaryotic organisms
lacking true stems and roots and leaves.
[1913 Webster WordNet 1.5]


Cryptogamia \Cryp`to*ga"mi*a\ (kr?p`t?-g?"m?-?), n.; pl.
{Cryptogami[ae]} (-?). [NL., fr. Gr. krypto`s hidden, secret
ga`mos marriage.] (Bot.)
The series or division of flowerless plants, or those never
having true stamens and pistils, but propagated by spores of
various kinds.
[1913 Webster]

Note: The subdivisions have been variously arranged. The
following arrangement recognizes four classes: -- I.
{{Pteridophyta}, or {Vascular Acrogens}.} These include
Ferns, {Equiseta} or Scouring rushes, {Lycopodiace[ae]}
or Club mosses, {Selaginelle[ae]}, and several other
smaller orders. Here belonged also the extinct coal
plants called {Lepidodendron}, {Sigillaria}, and
{Calamites}. II. {{Bryophita}, or {Cellular Acrogens}}.
These include {Musci}, or Mosses, {Hepatic[ae]}, or
Scale mosses and Liverworts, and possibly
{Charace[ae]}, the Stoneworts. III. {{Alg[ae]}}, which
are divided into {Floride[ae]}, the Red Seaweeds, and
the orders {Dictyote[ae]}, {Oospore[ae]},
{Zoospore[ae]}, {Conjugat[ae]}, {Diatomace[ae]}, and
{Cryptophyce[ae]}. IV. {{Fungi}}. The molds, mildews,
mushrooms, puffballs, etc., which are variously grouped
into several subclasses and many orders. The {Lichenes}
or Lichens are now considered to be of a mixed nature,
each plant partly a Fungus and partly an Alga.
[1913 Webster] Cryptogamic
Cryptogamian


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  • Algae - Wikipedia
    Algae (UK: ˈælɡiː AL-ghee, US: ˈældʒiː ⓘ AL-jee; 3 sg : alga ˈælɡə ⓘ AL-gə) is an informal term for any organisms of a large and diverse group of photosynthetic organisms that are not plants, and includes species from multiple distinct clades
  • Algae | Definition, Characteristics, Classification, Examples . . .
    algae, members of a group of predominantly aquatic photosynthetic organisms of the kingdom Protista Algae have many types of life cycles, and they range in size from microscopic Micromonas species to giant kelps that reach 60 metres (200 feet) in length
  • What Are Algae? - Live Science
    Algae are a diverse group of aquatic organisms that have the ability to conduct photosynthesis Certain algae are familiar to most people; for instance, seaweeds (such as kelp or
  • Algae - Definition, Examples, Characteristics
    Algae are primarily aquatic, photosynthetic organisms that are often simple in structure and range from unicellular microalgae, like diatoms, to multicellular forms, such as giant kelp
  • Algae: Definition, Types, Characteristics Amp; Reproduction
    Algae are a type of aquatic plant that contains chlorophyll and can carry out photosynthesis They are similar to plants in that they are autotrophs, but they are not structurally similar to plants in their external appearance Algae can be classified as red algae, green algae, or brown algae
  • What are Algae? - BYJUS
    “Alga is a term that describes a large and incredibly diverse group of eukaryotic, photosynthetic lifeforms These organisms do not share a common ancestor and hence, are not related to each other (polyphyletic) ” Multicellular examples of algae include the giant kelp and brown algae
  • Algae - Definition and Examples - Biology Online Dictionary
    Algae are photosynthetic organisms that possess photosynthetic pigments such as chlorophyll However, they lack true roots, stems, and leaves characteristic of vascular plants Some of them are unicellular whereas others are multicellular They may also form colonies Most algae are aquatic
  • Algae - Definition, Characteristics, Types and Examples
    Algae Definition Algae are photosynthetic organisms, ranging from microscopic phytoplankton to larger seaweeds, found in aquatic environments What is Algae? Algae are diverse group of photosynthetic life forms, that includes a wide range of eukaryotic organisms, including both multicellular organisms, for examples giant kelp and unicellular ones like dinoflagellates
  • 11 Types of Algae With their example. - Biology Notes Online
    Algae mainly found in aquatic environments, they are protists that contain plant-like characteristics Some examples of algae are Pond scum, seaweed, and giant kelp Algae are eukaryotic organisms and are capable of photosynthesis because they contain chloroplasts like plants
  • Algae - SpringerLink
    Algae were already sought-after as sources of colour in ancient times Although they basically contain a green pigment through chlorophyll, this is often overlaid by other pigments There are red, brown and blue algae and even species that can glow due to certain enzyme reactions, triggered for example by currents in the water





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