Some fish species live and travel in groupings, known as a school. This type of population distribution can be considered

ocean expansion, global warming is melting icebergs and causing water levels to rise.

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tissue

explanation:

it is actually formed by geoup of cells which is tissue

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation: