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Egg sacs for sharks are called well, egg sacs. However, baby sharks that come OUT of the egg sacs are called pups. Is that what you were trying to ask? If not, I hope I answered your question well enough.
The comb-footed spider makes spherical egg sacs which can look like cotton balls (see Sources and related links, below).
the egg sac keeps the egg safe and pervides and it food for the egg
The female wolf spiders carry their egg sacs which are attached to their abdomens. These egg sacs appear blueish in color.
Most likely spider egg sacs depends on where you found could be another insect pupal stage. --------------------- Yes Silkworm pupae spin white cocoons.
After you have beaten the elite foure, there will be an egg in his house.
No. They are adapted to winter temperatures. You can place them in a sheltered area outdoors. Do not bring them inside (or one fine morning you will find your house infested by hundreds of baby mantids)
An average well fed female lays approximately 53 eggs per egg sacs and is capable of laying up to three egg sacs in a year. Many females lay fewer eggs, and large mature females may lay as many as 80 eggs per sac.
On a web
no
Spiders are highly protective of their egg sacs. Many will become aggressive to protect them. She is a mother, like many other animals, and cares for her young. You should probably release her and let her raise her young in peace.
A female Black Widow Spider can produce four to nine egg sacs in one summer, each containing about 100-400 eggs.