If pine cones are placed in water, they close up. but they open up in warm and dry conditions. how do pine cones benefit from this characteristic?

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction.

Why is it to call the calvin cycle the light independent reactions vs the dark reactions

This is an active transport mechanism by which cells pump sodium and potassium ions against the concentration gradient