Describe two types of tissues and the jobs they perform.

b. heterotroph

explanation:

answer by yourhope:

answer is

human impact on the environment can be seen in the deterioration of the !

: )

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:

answer: dna

because all cells have genes