Question

What is Kingdom Protist?

Answer 1

Kingdom Protista consists of unicellular eukaryotes. They act as a bridge between prokaryotic organisms and multi cellular eukaryotes and complex organisms including fungi, virus, plants and animals. It was discovered by Ernest Haeckel in 1866

Answer 2

@science28math123
right?

Answer 3

is it really a unicellular eukaryotes i think it is a unicellular prokaryotes

Answer 4

Their cell structure is in contrast with Prokaryotes. They have cell membrane with outer covering of sub cellular walls.

Answer 5

oh thank you. this our assignment kasi eh. k tnx

Answer 6

or we can say that-------------
Unlike prokaryotes, protistan nuclei contain multiple DNA strands, though the total number of nucleotides is significantly less than in more complex eukaryotes

Answer 7

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Answer 8

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Answer 9

i dont know how im just a beginner

Answer 10

no you can't a beginner...

Answer 11

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Answer 12

@science28math123

Answer 13

Protists are just unicellular eukaryotes... but I would like to point out that this classification system is purely based on how they look and NOT how they're related to each other. It's like talking about "trees" as a group, even though a cherry tree, for example, is way more closely related to a rose (both are angiosperms in the family Rosaceae) than it is to a pine tree (a conifer).

If you look at this relatively modern model ( http://upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Eukaryota_tree.svg/800px-Eukaryota_tree.svg.png), the only things on it that are NOT "protists" are Metazoa (animals), Fungi, Plantae, and parts of a few other taxa. If you look at how they're arranged on the tree, choanoflagellates (colonial protists) are actually more closely related to animals and fungi than they are to e.g. ciliates (a big group of protists in the taxon Alveolata).

It's still useful to talk about protists (just as it's useful to talk about trees), but you need to be aware that it's an arbitrary label for anything that's single-celled and eukaryotic, and that there is no single protist kingdom in modern classification schemes.

Answer 14

~Kingdom Protista consists of unicellular eukaryotes. They act as a bridge between prokaryotic organisms and multi cellular eukaryotes and complex organisms including fungi, virus, plants and animals.
~They mostly occur in aquatic environment. Some of them act as a parasite. Their cell structure is in contrast with Prokaryotes. They have cell membrane with outer covering of sub cellular walls. They also contain membrane bound organelles such as mitochondria, endoplasmic reticulum, Golgi complex. Ribosome is 80S. Some of them have chloroplast which helps in photosynthesis. Nucleus is compact and has nuclear covering. It is not naked. They also have cilia and flagella which occur in variety of forms.