Homologous chromosomes may exchange segments, this is called crossing over. Crossing over increases genetic variability
Where would you add crossing over" to the Venn diagram?

Meiosis

Explanation:

Crossing over of a chromosome always happen in meiosis 1. The material between the different sister chromatid in exchanged, so each gamete will be different of each other.

producers: apple trees, potatoes, carrots, grains, acorns, cabbage, grass, corn, lettuce

consumers: deer, mice, rabbits, chickens, squirrels, horses, worms, cows

predators: eagles, frogs, wolves, owls