What is the flower that stands for: instability?

Questions

Mountain ---------- grow luxurious winter coats - more than three inches of cashmere-quality wool, overlaid with long hollow hairs. The hardy animals can endure winter temperatures as low as minus 50 degrees F, and powerful winds up to 100 miles per hour.?

The hippopotamus is, next to the elephants, the heaviest of all land mammals. It may weigh as much as 8,000 pounds. It is also a close relative of the ----------?

The average minimal speed of birds in order to remain aloft in flight is reported to be about 161/2 feet per second, or about ---------- miles per hour.?

Mussels can thrive in ---------- because of an inborn ability to purify bacteria, fungi, and viruses.?

Guinea pigs were first domesticated by the ----------, who used them for food, in sacrifices, and as household pets.?