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Plants use the pigments chlorophyll and carotenoids to capture light in photosynthesis. Chlorophyll is green, a carotenoid is red and these pigments capture light at different wavelengths. So the pigment type used by each plant determines its colouration.

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15y ago
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16y ago

Seaweed can be green brown black or beige.

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13y ago

Because it depends on what colour of pigment it contains, and how much quantity of chlorophyll it contains. It is not depending in saltwater

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12y ago

because of all of the minerals in it that's what makes seaweed green

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13y ago

pink and green

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11y ago

Brandons putang

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Q: Why are some seaweeds green brown and some red?
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Related questions

What kinds of seaweeds are there in this world and where can you find the information?

there are lots of seaweeds ..... some of them are used as food. there are sea lettuce, Ulva sp. or the hairy green seaweed, seagrasses, green seaweeds that look like grapes, and different feathery green seaweeds and feathery green seaweeds and seagrasses, green seaweeds that look like grapes, and different feathery green seaweeds and feathery green seaweeds and seagrasses, brown seaweeds and red seaweeds, Ornate leaf slug (Elysia ornata) and a tiny hairy Bryopsis slug that is still awaiting identification and is often seen on the Hairy green seaweed (Bryopsis sp.) and the tiny Halimeda slug (Pusilla sp.) often seen on Big coin green seaweed (Halimeda sp.)See related link


What kind of algae are seaweeds at most often occur in warm marine waters?

Red algae is a type of seaweed. This seaweed lives in warm waters.


Is seaweed in the monera kingdom?

No , , sea weeds are not included in kingdom Monera but in Kingdon Protista Seaweeds belong to three kingdoms: Kingdom Plantae (chlorophyte, or "green" algae seaweeds), Kingdom Plantae (rhodophyte, or "red" algae seaweeds), Kingdom Chromista (phaeophyte, or "brown" algae seaweeds) Kingdom Chromista (xanthophyte, or "yellow-green" algae seaweeds), and Kingdom Bacteria (cyanophyte, or "blue-green" algae seaweeds).


Are plants are always green in color?

The photosynthesis compound chlorophyll is the cause of the green colour in many plants. There are other photosynthesis chemicals known, and some of these give the brown seaweeds and the red seaweeds their colour. Additionally, flowers are commonly brightly coloured so as to attract insects. And in drought conditions, some plants will turn quite red.


Three classes of seaweed based on color are?

Seaweeds can be grouped into three types based on colour - Green , brown and red


How many species of seaweeds are there?

There are about 10,000 different species of seaweed in the world. This includes green, brown and red. Many types of seaweed are algae and some are even edible.


What is a good question to ask your science teacher about photosynthesis?

Seaweeds come in three colours, red, brown and green. Only the green varieties use chlorophyll in their photosynthesis. 'What are the photosynthesis processes in the red and brown varieties?' could be a question.


What kingdom is seaweed in?

Seaweeds belong to three kingdoms: Kingdom Plantae (chlorophyte, or "green" algae seaweeds), Kingdom Plantae (rhodophyte, or "red" algae seaweeds), Kingdom Chromista (phaeophyte, or "brown" algae seaweeds) Kingdom Chromista (xanthophyte, or "yellow-green" algae seaweeds), and Kingdom Bacteria (cyanophyte, or "blue-green" algae seaweeds). Seaweeds that belong to the Kingdom Plantae are plants; the others, strictly speaking, are not. Kombu (kelp), arame (kelp), limu moui (kelp), hijiki, mozuku, and wakame are not plants. Wikipedia places them under Kingdom Chromalveolata because they are classified as "brown" algae seaweeds. However, nori (laver), ogo (limu), and dulse are classified as "red" algae seaweeds and are placed under Kingdom Plantae. Kingdom Protista, which includes the chlorophyll-containing, self-propelling euglenozoa, is a fourth kingdom of algae which contains no species of seaweeds. Thomas Cavalier-Smith defined Kingdom Chromista in 1981 and redefined it as Kingdom Chromalveolata in 2005. However, in 2008, other biologists have proposed splitting Kingdom Chromalveolata into at least two smaller kingdoms and this newer version has gained increasing support. The cancer-preventing marine polysaccharide, fucoidan, and the weight loss causing marine carotenoid, fucoxanthin, are both always plentiful in "brown" algae seaweeds, including kombu, arame, limu moui, hijiki, mozuku, and wakame. "Yellow-green" algae seaweeds, which are never sold commercially, do not contain much fucoidan or fucoxanthin, even though they are still classified as members of Kingdom Chromalveolata together with the "brown" algae seaweeds.


Is a seaweed a flower?

Seaweeds come in three types, red, brown and green. These are non - flowering. They do however bud off bits of themselves which then can grow.


Is seaweed a flowering plants?

Seaweeds come in three types, red, brown and green. These are non - flowering. They do however bud off bits of themselves which then can grow.


What are the examples of plants?

flowering plants, conifers, ferns and mosses, as well as, depending on definition, the green algae, but not red or brown seaweeds like kelp, nor fungi or bacteria.


What color do you get when you mix red with blue with green?

Some shade of brown. Red & blue make purple, add green and you get brown.