The answer is <span>bird droppings that contain seeds from a different location.
</span><span>Gene flow includes a transfer of alleles from one population to another. So imagine a population of plant A on location 1 and another population of plant A on location 2. They cannot interchange their genes. But if birds drop seeds from location 1 and those seeds get to location 2, gene flow may occur.</span>
Koch’s postulates would be most helpful. Hope this helps :)
Answer:
sexually, 4, egg, sperm, fertilization.
Explanation:
Follow the order I put the words into the order of the blanks.
D is the answer hope this helped