Circle the letter of the correct choice. 1. All of the individuals of a single species that occur together at a given place and
time are members of the same
a. community
b. population
c. ecosystem
d. niche

cuz they cant breath

explanation:

c.) polymerase chain reaction

- "unlike the original dna fingerprinting method, dna profiling does not use restriction enzymes to cut the dna. instead it uses the polymerase chain reaction (pcr)? to produce many copies of specific str sequences. pcr is an automated procedure that generates lots of copies of a specific sequence of dna."