Biology, asked by sujatha5, 1 year ago

list out the characteristics of protista

Answers

Answered by rileybiers
30
Hello there,

Kingdom protista is one among 5 kingdom classification.
Some of the characteristic features of protists are:

1.most of the organisms in kingdom protista r unicellular..but biology has exception s to everything.. multicellular organisms like algae s r also included in this Kingdom.

2. They are eukaryotes ie they have well structured nd membrane bound nucleus nd organelles

3.they mainly move using they locomotive structure called flagella or cilia.

4.they are aquatic in nature ..they may live both on fresh water or marine water.

5.modenof nutrition may be heterotrophic or autotrophic.

I hope this helped u...nd my doubts r welcome ..nd ifbu find this helpful pls mark as brainliest

Nikki57: Cool
rileybiers: Thank u
Answered by no4
19
Heyaa folk,

Protists are eukaryotes, which means their cells have a nucleus and other membrane-bound organelles. Most, but not all, protists are single-celled. Other than these features, they have very little in common. You can think about protists as all eukaryotic organisms that are neither animals, nor plants, nor fungi. Protists are eukaryotic organisms that cannot be classified as a plant, animal, or fungus. They are mostly unicellular, but some, like algae, are multicellular. Kelp, or 'seaweed,' is a large multicellular protist that provides food, shelter, and oxygen for numerous underwater ecosystems. Most of the organisms are unicellular, some are colonial and some are multicellular like algae.
Protists can be unicellular or multicellular. Protists can be microscopic or can be over 100 meters (300 feet) long. Some protists are heterotrophs, while others are autotrophs. Since protists vary so much, we will group them into three subcategories: animal-like protists, fungus-like protists, and plant-like protists. Protists are single-celled and usually move by cilia, flagella, or by amoeboid mechanisms. There is usually no cell wall, although some forms may have a cell wall. They have organelles including a nucleus and may have chloroplasts, so some will be green and others won't be.They can perform photosynthesis and mainly consist of unicellular algae. They can be divided into a number of systematic groups according to the shape of their cells and the type of photosynthetic pigments they use. The first three kingdoms are well-defined monophyletic groups, but the "Kingdom Protista" is not monophyletic; it contains organisms which are more closely related to members of other kingdoms than they are to other protists. Rotists are a group made up of protozoa, unicellular algae, and slime molds. We will concentrate on the animal portion of this group- the protozoa. Protists form a paraphyletic group, as the representative taxa do not contain all descendants of their stem species, i.e. the multicellular taxa, which evolved several times independently.

Hope it helps u :)
- no4 ✯ Brainly Star ✯

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