1.
Red deer fighting with each other is an example of what type of competition?
2.
Male birds of paradise use these to get a female's attention
3.
These fish make designs in the sand to attract a mate
4.
sharks and dolphins compete for this organism
5.
plants compete for this resource
6.
two that help each other to survive is called this
7.
this is what a person who studies aniamls is called
8.
Resource availability affects the rate of this
