Explain how the digestive, respirtory, circulatory, and excretory systems work together in order to maintain homeostasis?​

Organisms within a population must compete for resources to survive

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.

As a small change in a person's dna can cause a genetic disorder