Protista
Protista
Heterogeneous grouping refers to a diverse mixture of different types of unicellular colonial and multicellular eukaryotes, such as slime molds, brown algae, and diatoms. These groups share the characteristic of being eukaryotic but differ in their cellular structures, organization, and modes of reproduction.
Eukaryotic cells also contain other membrane-bound organelles such as mitochondria and the Golgi apparatus. In addition, plants and algae contain chloroplasts. Many unicellular organisms are eukaryotes, such as protozoa. All multicellular organisms are eukaryotes, including animals, plants and fungi.
All bacteria, including the rod shaped bacillus, are unicellular.
All bacteria, including the rod shaped bacillus, are unicellular.
Eukaryotes that are not plants, fungi, or animals are called protists. This diverse group includes organisms such as algae, amoebas, and paramecia. Protists can be both unicellular and multicellular and are found in various environments, including freshwater, marine, and soil habitats.
The first eukaryotes were unicellular organisms that evolved around 2 billion years ago, followed by the first terrestrial eukaryotes that emerged around 1.6 billion years ago. Between these events, there were significant biological and environmental changes, including the development of multicellularity and adaptations for life on land.
Unicellular means that the organism has only one cell and grows by the cell enlarging. Mainly only bacteria are like that. Multicellular are organisms that have many cells and grows by the cells growing in numbers. Most plants and animals are multicellular, including manatees.Simple answer: Multicellular
No. Protists are unicellular, or unicellular organisms which form multicellular structures. Arthropods, including insects, spiders, crabs, lobsters, etc., clearly aren't unicellular. They belong to the kingdom animalia.
The first eukaryotes are most likely to belong to the Protista kingdom. These are mostly multicellular organisms with the earlier ones including organisms like Kneallhazia solenopsae and many more.
Prokaryotes and eukaryotes share several fundamental characteristics, including the presence of DNA as their genetic material and the ability to carry out basic life processes such as metabolism and reproduction. Both groups also have ribosomes for protein synthesis, although they differ in size and structure. Additionally, both prokaryotes and eukaryotes can be unicellular or multicellular, depending on the organism.
Amount of Unicellular and Multicellular OrganismsMore than 1 and 1|2 (one half) million kinds of organisms have been identified. That number is small compared to the estimated number of unicellular organisms that exist and have not been identified. Scientists estimate that there are more than 1 billion kinds of unicellular organisms!