How is the movement of leaves of the sensitive plant different from the movement of a shoot towards light?

How are the gametophytes of pteridophytes different from those of gymnosperms?

What is the difference between the manner in which movement takes place in a sensitive plant and the movement in our legs?

How are tendons different from ligament?

How are chloroplasts different from chromoplasts?

How are animals of Platyhelminthes different from those of Annelida?

How is the gametophyte of bryophytes different from that of gymnosperms?

how is a heat engine different from a refrigator?

How are animals of Porifera different from those of Cnidaria?

How is the motion of parachute different from a stone dropped from certain height?

Leaves of the same plant as well as the leaves of different plants show different shades of green. Name the pigments reponsible for the colour of leaves.