No one knows. Some scientists think we arrived here from space on a comet from another planet, witch is really obnoxious. Like, how could the organisms survive the crash? Why would any stupid aliens send they're organisms to another planet? That entire THEORY is stupid. They all go against The Bible and think it's fake. Even though it's the truth! Stupid scientists...they think they know everything.
Edited answer:
Lfe originated as a unicellular organism on this planet millions of years ago and through evolution ramified into various complex multicellular forms of today. Hence single celled organisms contain all the parts of life.
Single-celled organisms lack hard parts like shells or skeletons, making it difficult for them to leave behind fossils. Soft-bodied organisms are less likely to be preserved in the fossil record compared to organisms with hard parts, like shells or bones. Additionally, single-celled organisms are more likely to be broken down and decomposed before they have a chance to fossilize.
The parts of a single celled organism usually rely on what type of cell it is. A prokaryotehas a nuleouswhile an eukaryote doesn't.
Fission reproduction is a form of asexual reproduction where an organism splits into two or more parts, each of which can grow into a complete organism. It is common in simple organisms like bacteria and some single-celled organisms.
Rust on your fence or rust on your crops? Rust usually, that occurs on metallic objects is iron oxide, it's an inorganic compound so no cells. Unicellular usually refers to organic organisms of single cellular structure. Another 'Rust' is an organism. Do you mean Rust fungus? It is a fungus and produces spores which spread and cause the crop damage, it's not unicellular. It has a complex structure.
Hoes and boats
Single celled organisms do not grow old and die, they are not made of enough parts to "wear out" like us. They simply split into two via mitosis.
Single-celled organisms lack hard parts like shells or skeletons, making it difficult for them to leave behind fossils. Soft-bodied organisms are less likely to be preserved in the fossil record compared to organisms with hard parts, like shells or bones. Additionally, single-celled organisms are more likely to be broken down and decomposed before they have a chance to fossilize.
Microorganism
single celled animals. GO! GO! GO!
Most life-forms were single-celled, with no hard parts to fossilize.
The parts of a single celled organism usually rely on what type of cell it is. A prokaryotehas a nuleouswhile an eukaryote doesn't.
Some examples of living things in the body that are composed of only one cell include bacteria and certain types of single-celled organisms such as protists and yeast. These single-celled organisms can be found in various parts of the body, such as the skin, gut, and mouth.
Fission reproduction is a form of asexual reproduction where an organism splits into two or more parts, each of which can grow into a complete organism. It is common in simple organisms like bacteria and some single-celled organisms.
The parts of the single-celled algae that are responsible for capturing energy are chloroplasts. Chloroplasts have to be there in order for cells to capture energy.
Rust on your fence or rust on your crops? Rust usually, that occurs on metallic objects is iron oxide, it's an inorganic compound so no cells. Unicellular usually refers to organic organisms of single cellular structure. Another 'Rust' is an organism. Do you mean Rust fungus? It is a fungus and produces spores which spread and cause the crop damage, it's not unicellular. It has a complex structure.
Prokaryotes are uni-celled organisms that do not have a nucleus or many of the components of a eukaryotic cell. Eukaryotes are multi-cellular organisms that do have a nucleus and the normal parts of a cell.
Hoes and boats