Describe how the function of the lymphatic system is related to the function of the circulatory system?

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.

Which fossil organism in whale evolution do you think was the first to live mostly in water? explain your claim with evidence and reasoning?

How has biodiversity on earth changed over time?