Which substances are resposible for accelerating chemical reactions in cells?

What is the first step in a life cycle of a plant reproduce sexually

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment

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.