<span>Presence of oxygen means that the organisms are not anaerobic so the answer is D. algae. Eukaryotic and prokaryotic cells can be anaerobic meaning that they live in circumstances where there's no oxygen. Algae were the first that required oxygen to thrive. Cyanobacteria are like other bacteria parts of the prokaryotic cell type.</span>
Answer:
In Darwinian terms, the fittest individuals of a species are those that attracts the most mates and leave the greatest number of reproductive descendants.
Explanation:
Darwin's evolutionary theory have mentioned "Survival of the fittest'' that described the mechanism of natural selection.
The survival of fittest means the maximum rate of reproductive success.
Those individuals that leaves maximum copies of it's offspring which are actively successful in reproduction and transmit it's features to the next generation are fittest individuals.
Charles Darwin mentioned this on his book'' Origin of species'' in 1868
Survival of fittest is the alternative form of natural selection.
Survival of fittest ensures the chance to improve phenotypic characters.
Answer:
Sigma factors bind to the promoter region of a particular gene and facilitating the binding of RNA Polymerase to the promoter region (formation of the RNA polymerase holoenzyme complex) in order initiate transcription of the gene.
Put simply - Helps RNA Polymerase do it's job.
Answer:
The answer should be solid
Cellulose makes the trunk of a tree sturdy.
