Asimilarity between humans and many other
multicellular animals is that they
(1) occupy the same niche in most food webs
(2) are composed of organ systems
(3) have the same dna sequences
(4) carry out autotrophic nutrition

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.