Usually, aquatic communities have more trophic levels than terrestrial ones.
a) what factors determine the maximum length of a food chain in a community
b) which of these factors accounts for the longer food chains of aquatic communities relative to terrestrial ones?

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.