What is the difference between phototroph and chemotroph

Draw the structure of dna nucleotide with adenine as nitrogenous base

Which food could be transported in a galvanized metal container?

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.