Cells,tissue,organ organism,organ system
Hey there!
Number 3, "has more people than ever before" is correct. As there are more people, there is a greater need more resources.
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Answer:
Secondary succession has happened.
Explanation:
secondary succession is the ecological succession that occurs after the initial succession has been disrupted and some plants and animals still exist. It is usually faster than primary succession
Ur intercostle muscle between ur ribs
Answer:
I am assuming that the mutant cells have mutated beta galactosidase activity hence the relative levels of enzymatic activity would be reduced.
