3. What caused the decrease of "deer" during the activity you participated in

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.

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur

There are only about 250,000 known fossil species. true or false