No, they are not. If you have more questions about what is kosher, read Leviticus 11.
There is no kosher species of whale.
In order for fish to be kosher it has to have scales and fins. Dolphins do not meet this requirement and therefore are not kosher. If you take the approach that a dolphin is a mammal so therefore the rules about fish don't apply, mammals have to have split hooves and chew there cud so yet again, dolphins are not kosher.
It is kosher so long as it is certified kosher.
Fox meat is not kosher. See:More about what is and isn't kosher
It needs to be cooked in a kosher vessel and have kosher ingredients. If purchased, it (or the bakery) should have kosher-certification.
Yes and no. There are many recipes that can be made kosher with kosher substitutes.
Delicatessen places serve kosher food. And if you are talking about 'deli' food, it is usually kosher. _______ Delis are only kosher if they're kosher certified. Most delis aren't kosher.
Yes! You don't need a kosher cookbook. Just remove the non-kosher ingredients.
They can eat a kosher diet, and be slaughtered the kosher way.
It would be kosher if it came from a kosher animal.
It can be if it's made with kosher ingredients in a kosher kitchen.
Fish and chips can be kosher so long as the fish used is a kosher species and the food is prepared in a kosher kitchen with all kosher ingredients.
No. Turtles are not kosher.