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>
Fossils are just skeletons that are found in the ground, left from generations ago. Such as Dinosaur Skeletons.
Answer:
Antibodies help you immune system.
If a genetic disease is recessive, a person must inherit the recessive gene from both parents. If they were to inherit a dominant gene, the disease would be over powered and unapparent in the offspring.
Hope that helps!
