Answer:
Parenchyma has a thin cell wall of their cells, and are made up of cellulose. Whereas collenchyma cells have an uneven cell wall made up of pectin and hemicellulose. There is a hard and thick cell wall present of the sclerenchyma cells, which is made up of the lignin.
Explanation:
I think but I do not know it refered to as being repetitive
Answer: The adaptations like paddy feet and fur on the outer body is an adaptation for very cold place but not for the rain forest. Explanation: If the outer body of the organism is made of fur then it will protect the inside body from cold and will provide warmth.
Northern hemisphere : Summer because it is tilted towards the sun.
Southern Hemisphere : Winter because it is tilted away from the sun.