Can someone answer numbers 1,2,3,4 ?

Individuals do not compete directly for resources, but are prey for the same predator

What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna

What would be he the strand of complementary dna produced be the strand of dna shown below> tcg aag