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What is a simple definition of algae?

What are the three examples of algae?

Pond scum, seaweed, and giant kelp are all examples of algae. Algae are protists with plant-like characteristics, that are typically found in aquatic environments. Like plants, algae are eukaryotic organisms that contain chloroplasts and are capable of photosynthesis.Sep 12, 2018

Does algae have a defined?

The largest and most complex marine algae are called seaweeds, while the most complex freshwater forms are the Charophyta, a division of green algae which includes, for example, Spirogyra and stoneworts. No definition of algae is generally accepted.

What is algae in water?

Algae and cyanobacteria are simple, plant-like organisms that live in the water. Algae and cyanobacteria can rapidly grow out of control, or “bloom,” when water is warm, slow-moving, and full of nutrients. Blooms can occur in fresh water, salt water, and brackish (a mixture of fresh and salt) water around the world.Jun 28, 2021

What is algae Class 8?

Algae are simple plant- like organisms which are usually aquatic in nature. They contain a cell wall and chlorophyll and can make their own food by photosynthesis. Algae can be unicellular or multicellular. Some of the common examples are diatoms, chlamydomonas, and seaweed.

image-What is a simple definition of algae?
image-What is a simple definition of algae?
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Is algae bacteria or plant?

Algae are sometimes considered plants and sometimes considered "protists" (a grab-bag category of generally distantly related organisms that are grouped on the basis of not being animals, plants, fungi, bacteria, or archaeans).

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What causes algae?

When dissolved oxygen concentration is low in the water (anoxic), sediments release phosphate into the water column. This phenomenon encourages the growth of algae. Early blue–green algal blooms usually develop during the spring when water temperature is higher and there is increased light.

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What is algae and its classification?

There is three main Algae classification: Chlorophyceae – These are called green algae, due to the presence of pigments chlorophyll a and b. ... Rhodophyceae – They are the red algae because of the presence of the red pigment, r-phycoerythrin. Examples are Porphyra, Gracilaria, and Gelidium.

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Is algae a phylum?

Phaeophyta: phylum of the kingdom protista consisting of those organisms commonly called brown algae. Many of the world's familiar seaweeds are members of phaeophyta.

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What is basic classification of algae?

Algae are classified into three classes. They are Chlorophyceae, Phaeophyceae and Rhodophyceae.

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What is algae Class 11?

Algae. Algae are chlorophyll-bearing, simple, thalloid, autotrophic and largely aquatic plants. They occur in moist stones, soils, and wood or in association with fungi and animals.

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Is algae a kingdom?

Classification. In the 5-kingdom scheme of classification, the algae, together with the protozoa, belong to Kingdom Protista.Jul 23, 2021

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How do algae move?

Species of single-celled algae use whip-like appendages called flagella to coordinate their movements and achieve a remarkable diversity of swimming gaits. ... Now, new research reveals that species of single-celled algae coordinate their flagella to achieve a remarkable diversity of swimming gaits.May 3, 2016

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What are 3 types of algae?

  • There are three types of algae common in pools: Green, Mustard, and Black. Green algae is the most common and also the easiest to kill. Mustard algae (also known as yellow algae) is commonly mistaken for dirt or sand at the bottom of the pool.

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What is the difference between algae and fungi?

  • Both algae and fungi form thallus. The main difference between algae and fungi is that algae are autotrophs, containing chlorophylls for photosynthesis whereas fungi are heterotrophs, obtaining organic material from the sources in the external environment.

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Is algae harmful to humans and animals?

  • When blue-green algal blooms produce cyanotoxins (toxins produced by cyanobacteria ) that can make humans and animals sick, they are considered harmful. In general, algae are not harmful.

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What are facts about algae?

  • Algae Facts for Kids. 1) Algae are organisms, or living things, that are found all over the world. Algae are very important because they make much of Earth's oxygen, which humans and other animals need to breathe. Some algae, such as seaweed, look like plants.

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