The two major groups of protists are protozoa (animal-like protists) and algae (plant-like protists). Protozoa are unicellular organisms that can be parasitic or free-living, while algae are photosynthetic protists that can be unicellular or multicellular.
The highest level of classification, domain, has the least variety of organisms, encompassing only three major groups: Bacteria, Archaea, and Eukarya.
The three major groups of parasites are protozoa, helminths (worms), and ectoparasites. Protozoa are single-celled organisms that can infect various parts of the body, helminths are multicellular worms that can be either roundworms or flatworms, and ectoparasites are organisms that live on the body's surface, such as lice or ticks.
The broader groups of life forms are classified into superkingdoms called domains. There are three domains: Bacteria, Archaea, and Eukarya. Each domain represents major groups of organisms with distinct characteristics.
The three main sub-classifications of protists are protozoa (unicellular organisms that obtain nutrients through ingestion), algae (photosynthetic organisms that can be unicellular or multicellular), and fungus-like protists (heterotrophic organisms with characteristics similar to fungi).
Archaea, Eubacteria, and Eukaryota
The three major subdivisions of all organisms are Archaea, Bacteria, and Eukarya. These groups are based on differences in cell structure and biochemistry. Eukarya includes organisms with complex cells, such as plants, animals, fungi, and protists, while Archaea and Bacteria consist of simpler organisms with prokaryotic cells.
The two major groups of protists are protozoa (animal-like protists) and algae (plant-like protists). Protozoa are unicellular organisms that can be parasitic or free-living, while algae are photosynthetic protists that can be unicellular or multicellular.
The highest level of classification, domain, has the least variety of organisms, encompassing only three major groups: Bacteria, Archaea, and Eukarya.
The three classification groups shared by all four organisms are domain, kingdom, and phylum.
Three major groups of ocean organisms include phytoplankton, which are microscopic photosynthetic organisms that form the base of the marine food chain, zooplankton, which are small animal organisms that feed on phytoplankton and are in turn eaten by larger marine animals, and fish, which are vertebrate animals that live in the ocean and play a critical role in marine ecosystems.
The three major groups of parasites are protozoa, helminths (worms), and ectoparasites. Protozoa are single-celled organisms that can infect various parts of the body, helminths are multicellular worms that can be either roundworms or flatworms, and ectoparasites are organisms that live on the body's surface, such as lice or ticks.
There are three major phylum in the Kingdom Plantae. These include ukaryotic, multicellular, and photosynthetic plants.
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The major groups of Plantae are bryophytes (mosses, liverworts, and hornworts), pteridophytes (ferns and horsetails), gymnosperms (conifers, cycads, ginkgoes), and angiosperms (flowering plants). Each group has unique characteristics and reproductive strategies.
The word for the three major subdivisions of all organisms has six letters and ends with n is domain.