The primary factor that was missing for billions of years that was necessary for protists to evolve was oxygen in the atmosphere. Billions of years ago, the atmosphere was mostly made up of carbon dioxide, carbon monoxide, hydrogen, nitrogen, and water vapor.
The primary factor missing for billions of years was the development of complex multicellular organisms that could serve as hosts for endosymbiosis. This allowed for the evolution of more complex eukaryotic cells, leading to the emergence of protists.
Sexual reproduction is the primary characteristic used to classify the types of animal-like protists. However, determining if the protist is multi-cellular is also another primary characteristic.?æ
Protists can be both helpful and harmful. Some protists are beneficial as they play key roles in ecosystems, such as being primary producers in marine environments. However, some protists can also be harmful pathogens that cause diseases in humans, animals, and plants.
Protists are typically organized at the cellular level, as they are unicellular organisms. They can also form colonies or multicellular structures in some cases, but their primary level of structural organization is at the cellular level.
Protists play a vital role in various ecosystems as they are primary producers, decomposers, and food sources for many organisms. Some protists are used in research for medical and scientific purposes, such as studying diseases and processes in cells. Additionally, certain protists are used in the food industry and in environmental applications like sewage treatment.
The primary factor missing for billions of years that was necessary for protists to evolve was atmospheric oxygen. In order to grow and evolve, protists needed oxygen at a time when there was little in the atmosphere.
The primary factor that was missing for billions of years that was necessary for protists to evolve was oxygen in the atmosphere. Billions of years ago, the atmosphere was mostly made up of carbon dioxide, carbon monoxide, hydrogen, nitrogen, and water vapor.
The primary factor that was missing for billions of years that was necessary for protists to evolve was oxygen in the atmosphere. Billions of years ago, the atmosphere was mostly made up of carbon dioxide, carbon monoxide, hydrogen, nitrogen, and water vapor.
The primary factor missing for billions of years was the development of complex multicellular organisms that could serve as hosts for endosymbiosis. This allowed for the evolution of more complex eukaryotic cells, leading to the emergence of protists.
Megaphones. Sorry. Little joke. You mean "Protists," single-celled lifeforms. Not sure what you're thinking of since Life did not wait "billions of years" to get underway. Perhaps the "factor" is the Earth cooling down after the heat of formation and the Heavy Bombardment Period?
Megaphones. Sorry. Little joke. You mean "Protists," single-celled lifeforms. Not sure what you're thinking of since Life did not wait "billions of years" to get underway. Perhaps the "factor" is the Earth cooling down after the heat of formation and the Heavy Bombardment Period?
The Primary Pigment in Photosynthesis but Chloroplast is an organelles that microorganism's have such as protists and bacteria
Sexual reproduction is the primary characteristic used to classify the types of animal-like protists. However, determining if the protist is multi-cellular is also another primary characteristic.?æ
Yes
The two main roles of protists are as primary producers in aquatic ecosystems through photosynthesis, and as decomposers that recycle nutrients in various environments.
Protists are typically unicellular organisms with a diverse range of characteristics and behaviors. They can be found in a variety of environments, including freshwater, marine, and terrestrial habitats. Many protists are important in the food chain as primary producers or as consumers.
Protists can be harmful as some species can cause diseases such as malaria and giardiasis. However, they can also be beneficial as they play important roles in marine ecosystems as primary producers and in nutrient cycling. Some protists are also used in research and biotechnology applications.