Answer:
Ripples in water are more formally known as capillary waves, and are caused by the subtle interaction of wind and water, or the physical interaction of the water with another object.
Answer:
1. high adaptability
2. low population size
3. All the dinosaurs, along with 50% of all species alive at the time died out when an asteroid struck Earth.
I believe the answer is chromosomes.
Chromosomes are basically coiled up pieces of DNA with proteins.
I hope this helps! If it doesn't, please reply.