a blueish green substance in the second kingdom of a taiga forest
Endospores
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Photosynthetis is carried in photosynthetic filaments.There are no organells
monera is a single-celled organism. it is very simple and small e.g. bacteria and cyanbacteria
Cyanbacteria, or blue-green algae. At least that is the current belief shared by most scientists. My source: An article in a magazine called "Science Illustrated", Volume 5, Issue 5, entitled "Seeing photosynthesis in a new light". Their main point in the article is that cyanbacteria in it's current form has a more efficient type of chloroplast with better enzymes that they want to engineer into agricultural plants, but the mention of cyanbacteria in an older form as the first organisms to use water splitting photosynthesis is also in there.
Cyanobacteria played a crucial role in oxygenating the Earth's atmosphere through photosynthesis, creating an environment conducive to the evolution of complex life on land. Their ability to produce oxygen as a byproduct contributed to the development of aerobic organisms, which eventually led to the diversification of life forms and the emergence of more complex organisms on land.
Cyanobacteria and green algae are not considered to be plants due to several reasons. First, they are prokaryotic, meaning they are unicellular in nature. Second, they do not contain cellulose in their cell walls, like plants do. Thirdly, their DNA is "naked", and not condensed into chromosomes like plants. One final reason is that they reproduce through binary fission, much like bacteria do.
The role of raising atmospheric oxygen to so high a level that multicellular and complex organisms could evolve. Oxidative phosphorylation generates the energy through ATP that larger and more complex organisms need.
Yes, there are some types of bacteria that carry out Anoxygenic_photosynthesis, which consumes carbon dioxide but does not release oxygen.Examples include, but are not limited to: Chromatiaceae and Ectothiorhodospiraceae.