Pls help!! It’s about homeostasis What is the independent and dependent variable of this experiment?

How heart rate changes during and after an exercise is performed for two different periods of time

In some plants, pointed leaves (p) are dominant over rounded leaves (p). a plant with a genotype of pp

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.

"your temperature analysis reveals a pattern with coldest temperatures located to the portion of the map."