Answer:
The different sentences that belong to different groups are given as follows:
Bacteria
A common genus is Pelagibacter.
Some types found in the photic zone carry out aerobic photosynthesis.
They are the predominant prokaryotes above 1000m
Archaea
Below 1000m the most common phylum is Thaumarchaeota.
Most of these living below 1000m are thought to be ammonia oxidizers.
They increase to near 50% of total prokaryotes below 1000m
Viruses
Most are inactivated by hydrolytic enzymes or sunlight
Turnover in sea water is relatively rapid, the populations are replaced within a few days or weeks
They are the most numerous biological entities in seawater
Answer:
In studying the origin of the universe, one of the primary unanswered questions is <u>what came before the big bang.</u>
Explanation:
The big bang theory can be described as a theory which scientists have proposed to explain how the universe came into existence. This theory predicts how the extremely hot temperatures and dense atmosphere might have given rise to the stars and the galaxies.
Scientists have no idea what happened before the big bang theory. Some scientists predict that there might be another universe which collapsed before the big bang theory. While other scientists claim that there was nothing before the big bang.
They use different genetic codes
