it would be kind of an advantage as they breathe air and just stay on land and to get food it can go into the water
Answer: (1) photosynthesis occurred
Explanation: The photosynthesis process in cianobacteria changed the composition of earth's atmosphera, rising oxygen levels. This could be possible since photosynthesis used energy from the sun to produce energetic intermediaries to synthesize sugars, and as byproduct due to water photolisis, is oxygen.
Adaptation because organisms adapt to avoid extinction.
Omnivore is the type of consumers is the most stable in an ever changing environment.
Omnivore are organisms that eats both plants and meat. Thus, either ways they can live with the absence of meat nor plants.
