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They either spit them out of there mouth or drop a spike and it makes a new body.
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∙ 11y ago
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How many eggs do sea urchins lay?
Yes, In fact, A female sea urchin can lay up to 500 million eggs in her lifetime. These eggs are released out into the sea. A male sea urchin releases billions of sperm cells. When the egg and sperm meet, the baby sea urchin floats around until it matures.
What is a sea urchin's eggs?
Ummm...it's the thing from which a sea urchin hatches?
How many eggs do sea urchins?
The female sea urchin produces several million eggs per year, and the reproductive organs of a sea urchin can be up to 80 percent of a sea urchin's mass during mating season.
Do baby sea urchin stay with their parents for how long?
Sea urchins and other echinoderms do not raise their young. They just lay the eggs and the babies have to fend for themselves when they hatch.
What will happen if sea urchin eggs are taken from the sea and placed in fresh water?
the eggs would swell in size because of the salt in the sea water.
If sea urchin eggs are taken from the sea and placed in fresh water what will happen?
the eggs would swell in size because of the salt in the sea water.
What is smokey substance coming from the sea urchin?
Likely gametes (eggs and sperm).
Does a sea lay eggs?
No
How many eggs can a sea turtle lay?
a sea turtle can lay 50-160 eggs but they lay 10 per minute.
Do sea snakes lay eggs?
Sea snakes do not lay eggs. They give birth to live young.
Goes from the sea to the river to lay eggs?
Salmon definitely go from the sea and up river to spawn (lay eggs)
Do only female sea turtles lay eggs?
no male sea turtles can also lay eggs when they are mid-aged.
