The time in life when sexual organs mature and one becomes capable of the reproductive function is called: menarche
puberty
senescence
transition

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.

What is the main fuel source for the work of the cell

What vitamin gives carrots and sweet potatoes their orange color?