the entire ecosystem will colapse and they will all die
No, they are called teats. The milk sack is called the udder. Otters, on the other hand, are water loving animals.
Some insects can stand on the surface of water because water is usually adhesive and cohesive. This is made possible by the molecules in the water.
MOSQUITOES BREED IN GARDEN WATER
Yes, according to a study done in California. Otters eat migratory water fowl. Therefore, when the ducks migrate through otter territory, they may become otter food.
Certain insects (ones with a very light weight) are able to walk on water as their weight does not break the surface tension of the water. Water has a very high surface tension, therefore easily breaking and not supporting weight above a certain limit.
the otters would have nothing to eat and the whole food chain would get ruined
There are both freshwater (river otters) and salt water otters.
In the water
Habitat destruction and water pollution are the main threats to otters.
Otters are a semi-aquatic mammal. So they don't live exclusively in water.
sea otters excrete in water and on land
In the water
Fish
Otters are able to stay underwater for up to 8 minutes.
because there are nocturnal
alligators and water snakes
No, otters do spend a lot of time in the water, but they also have four functioning legs. They come up on land for many reasons.