Difference Wiki

Cyanobacteria vs. Green Algae

The main difference between Cyanobacteria and Green Algae is that cyanobacteria is recognizing as Cyanophyta is a phylum that obtains their energy over photosynthesis Whereas green algae are the photosynthetic algae which comprise chlorophyll and store starch in distinct chloroplasts mostly live in fresh water.

Key Differences

Cyanobacteria state to any photosynthetic bacteria, which repeatedly form colonies in the form of filaments, spheres or sheets whereas green algae state to any green color algae present in freshwater habitats.
Cyanobacteria do not contain membrane-bound organelles whereas the green algae comprise membrane-bound organelles along with a nucleus.
Aimie Carlson
Sep 29, 2022
Cyanobacteria do not hold chloroplasts in their cells while green algae contain chloroplasts.
Cyanobacteria are including in the nitrogen fixation by using gaseous nitrogen as a nutrient while green algae do not fix gaseous nitrogen.
Samantha Walker
Sep 29, 2022
Cyanobacteria show competent storage of nutrients whereas green algae contain less ability to store nutrients.
Janet White
Sep 29, 2022
The asexual reproduction of cyanobacteria happens by cell division and the formation of a plate, whereas the asexual reproduction of green algae arises by budding, fission, fragmentation or by the structure of zoospores.
Harlon Moss
Sep 29, 2022
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Cyanobacteria do not undergo sexual reproduction whereas the sexual reproduction of green algae happens by the formation of gametes.
Aimie Carlson
Sep 29, 2022
Cyanobacteria are prokaryotes, but green algae are eukaryotes.
Cyanobacteria exhibit a homogeneous color in the cell conversely green algae are recognizing by the occurrence of chloroplasts in the cells.
Cyanobacteria are either photoautotrophs or heterotrophs oppositely green algae are photoautotrophs.
Harlon Moss
Sep 29, 2022
Cyanobacteria cannot swim as they can change their buoyancy whereas green algae can swim through water.
Janet White
Sep 29, 2022
Nostoc, Anabaena, are examples of cyanobacteria whereas Chlamydomonas, Spirogyra, Chlorella, are examples of green algae.
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Comparison Chart

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Any photosynthetic bacteria, which repeatedly form colonies in the form of filaments
Any green color algae present in freshwater habitats

Types

Prokaryotes
Eukaryotes

Organelles

Lack of membrane-bound organelles
Contain membrane-bound organelles

Chloroplast

Do not contain chloroplasts
Contain one or more chloroplast per cell
Harlon Moss
Sep 29, 2022

Mode of nutrition

Either photoautotrophs or heterotrophs
Photoautotrophs

Nitrogen fixation

Nitrogen fixation by using gaseous nitrogen as a nutrient
Do not fix gaseous nitrogen
Aimie Carlson
Sep 29, 2022
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Swimming

Cannot swim but, they can change their buoyancy.
Can swim through the water
Harlon Moss
Sep 29, 2022

Storage nutrients

show competent storage of nutrients
contain less ability to store nutrients
Harlon Moss
Sep 29, 2022

Asexual reproduction

Arises by cell division and the formation of a plate
Budding, fission, fragmentation or by the formation of zoospores
Janet White
Sep 29, 2022

Sexual reproduction

Do not undergo sexual reproduction
Occurs by the formation of gametes

Examples

Nostoc, Anabaena
Chlamydomonas, Spirogyra, Chlorella,
Harlon Moss
Sep 29, 2022

Cyanobacteria and Green Algae Definitions

Cyanobacteria

Any of various photosynthetic bacteria of the phylum Cyanobacteria that are generally blue-green in color and are widespread in marine and freshwater environments, with some species capable of nitrogen fixation. Also called blue-green alga, blue-green bacterium.

Cyanobacteria

Plural of cyanobacterium.

Cyanobacteria

Predominantly photosynthetic prokaryotic organisms containing a blue pigment in addition to chlorophyll; occur singly or in colonies in diverse habitats; important as phytoplankton

Cyanobacteria vs. Green Algae

Cyanobacteria denote to any photosynthetic bacteria, which repeatedly form colonies in the form of spheres, filaments, or sheets and arise in diverse environments whereas green algae indicate to any green color algae present in freshwater habitats. Cyanobacteria are prokaryotes whereas green algae are eukaryotes. Cyanobacteria do not contain membrane-bound organelles whereas the green algae contain membrane-bound organelles laterally with a nucleus. Cyanobacteria do not comprise chloroplasts whereas green algae comprise one or more chloroplast per cell. Cyanobacteria include phycoerythrin, chlorophyll a, and phycocyanin as photosynthetic pigments while green algae contain carotenoids, chlorophyll a, chlorophyll b, and xanthophyll as photosynthetic pigments. Cyanobacteria display a similar color throughout the cell whereas green algae can categorizing by the presence of chloroplasts in the cells. Cyanobacteria are either photoautotrophs or heterotrophs whereas green algae are photoautotrophs. Cyanobacteria are involving in the nitrogen fixation by using gaseous nitrogen as a nutrient whereas green algae do not fix gaseous nitrogen. Cyanobacteria show adequate storage of nutrients whereas green algae contain less capacity to store nutrients. Cyanobacteria cannot swim but, they can change their buoyancy, changing the depth in water whereas green algae can swim through water.

What are Cyanobacteria?

The term cyanobacteria denote to any photosynthetic bacteria. Certain cyanobacteria can live as heterotrophs. Cyanobacteria are present in the soil, and freshwater and marine water habitats. They form spherical-shape, filamentous or sheet-like colonies. Some of the territories of cyanobacteria are a shield with sheet-like structures. Some cyanobacteria are adept of fixing gaseous nitrogen. Cyanobacteria can either unicellular or multicellular. Cyanobacteria are a type of prokaryotic organisms, as they contain vacuoles inside the cell. Cyanobacteria accumulate food as starch. The cyanobacteria lack flagella, but they display a sliding movement which arises by the trichome to alter the depth inside the water. The photosynthetic pigments in cyanobacteria are phycocyanin, chlorophyll a, and phycoerythrin. Phycoerythrin is a red color pigment, and phycocyanin is a blue color pigment. The asexual reproduction of cyanobacteria arises by cell division and the formation of a plate, separating the two cells. Cyanobacteria do not experience sexual reproduction.

What are Green algae?

The green algae denote to the green color algae present in freshwater habitats. The green color is owing to the photosynthetic pigment, the chlorophyll. The two types of chlorophyll a and chlorophyll b are present in green algae. The genetic material of green algae arises in the nucleus. Green algae comprise beta-carotene and xanthophyll. Green algae are photoautotrophs, and the foodstuff is storing as starch and fats. Algae are eukaryotic organisms as they contain membrane-bound organelles in their cells. The photosynthetic pigments are arranging into chloroplasts. A single cell may cover one or more chloroplasts. Green algae are unicellular, multicellular or living in colonies. Some green algae display a coenocytic growth in which several green algae are creating a one, large cell, without cross walls. The large cell can either uninucleate or multinucleate. Certain green algae live in symbiotic relationships with fungi, making lichens. The asexual reproduction of green algae happens by budding, fission, fragmentation or by the formation of zoospores. The sexual reproduction arises by the creation of isogamous or anisogamous gametes. The green algae are classifying into two phyla; Chlorophyta and Charophyta.

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