Answer:
Genetic Variation, option D.
Explanation:
This is the exact deffinition:
"Crossing Over: The exchange of genes between homologous chromosomes, resulting in a mixture of parental characteristics in offspring."
I would say the answer to your question is C) primary succession,because p<span>rimary succession begins on rock formations, such as volcanoes or mountains, or in a place with no organisms or soil. </span>
Answer:
Biotechnology
Explanation:
Modifying crops or plants to produce even more, healthier produce