Dr. besterman says “there is a correlation between the growth of the plants and the technology surrounding them, but there is no causal relationship directly between the technology and the plant’s growth”. why might this statement be true?

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.