The flowers are edible, the "meat" of the fruit is most often eaten, the seeds are edible and often quite good roasted and salted.
This depends of course on the squash i question, there are thousands of varieties.
You eat the fruit without the skin
Yes they can as part of a balanced diet.
Ducks can eat squash as long as there is no additives. They will eat the squash boiled, frozen, or regular.
Squash
squash
squash
Yes your cat can eat squash but he probably won't like it. He may get sick.
Squash grows from the flower of the plant.
Yes, you can eat squash that has been cross-pollinated. The taste and appearance of the squash may vary slightly, but it is still safe to consume.
Yes. They can.
They eat squash
no