The tail or caudal fin is attached to the spine. The others are attached to muscles.
Fins are small aerodynamic wings attached to the rear of the rocket. These are to give guidance and stop it from spinning.
4 to 3 fins
3
3 t05 fins
to increase surface area
They are called "cooling fins". Motorbikes use air-cooled engines, and the "fins" distribute the heat over a great deal of surface area so the air can carry off the heat more efficiently.
Male sharks have reproductive organs called "claspers", which are attached to the pelvic fins.
It's called a Heat Sink.
Yes and No. Those who are born live will have fins so they can swim immediately. Those who are born from eggs will have an egg sack attached to them which they will feed on till they grow fins and can swim. Fry (baby fish) born like this are very vulnerable to be eaten.
none He did invent swim fins at age eleven. However, his were attached to the hands instead of the feet.
The Torah permits us to eat fish that have fins and scales (Deuteronomy ch.14). No shellfish. See the attached Related link for a full list.
There are a wide range of different fins available for scuba diving. Other than dive fins, these include fins such as snorkel fins, paddle fins and split fins.