gas exchange is a primary example of simple diffusion,the exchange of *oxygen* and *carbon dioxide* fuels the cellular processes such as photosynthesis and cellular respiration
The answer is the last one. Half of the genes in the cells of the offspring contain genetic information from one parent while the other hand contains genetic information from the other parent. I hope this helps!
Answer: C) genetic diversity
Explainiton : Crossing over is essential for the normal segregation of chromosomes during meiosis. Crossing over also accounts for genetic variation, because due to the swapping of genetic material during crossing over, the chromatids held together by the centromere are no longer identical.
Adaptation. All animals learn to adapt to their surroundings.