3. A scientist claims that birds and insects are closely related. She wants to use the Linnaean classification system to support her claim. Which of the following presents the most convincing evidence that her classification is incorrect according to the Linnaean system? (1 Punto) a. Insects and animals look different.
b. Birds and insects use their wings to fly.
c Bird wings are stronger than insect wings. d. Bird wings and insect wings have different structures.

Help me please ;(!!​

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."

a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.

the answer is 100% density i've answered this question before and done the quiz myself.