There is no set number of teams that can play in a Water Polo tournament. It varies depending on level of play and whether it is the off season or not. There will be more teams in a tournament during a season then in the off season.
When members of a species compete, they typically compete for resources such as food, water, shelter, and mates. These resources are essential for survival and reproduction, driving competition among individuals within the population.
There have been womens water polo teams at the last two Olympics.
yes
Technically, all of the animals compete for resources as they are all limited. Exspecially for water, camels, desert eagles, barn owls, all of the different kinds of goats, rats, they all compete for water.
It's called synchronized swimming. LOL
yes
Plants compete for growing space, nutrients and water. If they are very crowded, they can even compete for sunlight.
Food, water, space, etc.
water
There isn't any leagues in Houston for 18 and up but there is a fairly competitive team by the name of HOPS water polo that practice in the Houston medical center area. They play in a few tournaments though out the year against other Texas teams which include masters and high school aged club teams.
Deer compete for food, water, territory, mates and shelter.
There are so many water polo tournaments that you cannot count them on one hand. Some include Winterfest, John Hale, Junior Olympics, TYR and way more.