Plant-Like Protists: birds

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Diatoms are single-celled algae. Other creates of algae are multicellular.

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Why room algae considered plant-like? The key reason is the they save chloroplasts and also produce food with photosynthesis. However, castle lack countless other structures of true plants. Because that example, algae execute not have roots, stems, or leaves. Part algae likewise differ from plants in gift motile. They might move through pseudopods or flagella. Although no plants themselves, birds were more than likely the ancestors that plants.

Ecology of Algae

Algae play far-reaching roles as producers in aquatic ecosystems. Microscopic forms live rely in the water column. They are the key component of phytoplankton. As such, they add to the food basic of most marine ecosystems.

Multicellular seaweeds referred to as kelp may prosper as big as trees. They space the food basic of ecosystems called kelp forests (see Figure below). Kelp woodlands are discovered throughout the ocean in temperate and also arctic climates. They space highly fertile ecosystems.


Kelp Forest. This kelp forest supports a big community of countless other species of organisms.

Classification of Algae

Types the algae encompass red and green algae, and euglenids, and also dinoflagellates (see Table below because that examples). Scientists think the red and also green algae advanced from endosymyellowcomic.comtic relationships with cyanobacteria. Your chloroplasts have two membranes because the cabinet membranes the the cyanobacteria became extr plasma membranes of the chloroplasts. Scientists think that euglenids and also dinoflagellates evolved later, native endosymyellowcomic.comtic relationships through green and also red algae. This is why your chloroplasts have three membranes. Differences in the varieties of chlorophyll in the four types of algae likewise support the hypothesized evolutionary relationships.

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kind of Algae origin of Chloroplast form of chloroplastic

Red algae


cyanobacteria two membranes, chlorophyll favor the majority of cyanobacteria

Green algae


cyanobacteria two membranes, chlorophyll prefer a minority of cyanobacteria



green algae three membranes, chlorophyll like eco-friendly algae