yes
Yes they do
No. Koalas mate with different koalas each breeding season.
No. Sows often will mate with more than one male during her heat period.
you can't keep crickets in the same cage but ladybugs you can. if you don't want your crickets hoppin on your ladies. DONT PUT THEM TOGETHER No ,crickets cant live in the same cage cause they will mate and there will be something called a crick bug,or a lady crick.
Species is the term used for a group of organisms that can mate to produce fertile offspring. Population is the term used for all members of the same species that live in the same place at the same time.
Dolphins mate because they want to try and keep there species going for as long as possible. pretty much same reason as humans.
by they can live in the forest or some were else
No, they are solitary animals. They only come together to mate.
Seahorses do not live in a shoal, they live alone. When they find a mate, they remain with the same partner until they die.
sometimes, but they may get 'divorced' and keep seperate homes like we humans do.
Southern Royal Albatross - about 3.5m (about 11.5 feet) though some of the larger Snowy Albatrosses are about the same