What is ph? identify the ph range of strong acids and strong bases. which has more hydrogen ions?

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. this is an example of speciation.

Apart of an ecosystem that can restrict the growth of a population is referred to as

Which would be the most useful source of evidence to support mcneill's contention?