0
-They produce a large amount of gametes
-They synchronize spawning so there are both sperm and eggs present at the same time
-Males usually spawn upstream so sperm gets carried to eggs
-Eggs adhere to the spines of the female urchin to keep them from floating away to make it easier for sperm to reach them
What else can I help you with?
What adaptations do sea urchins need to survive?
they have spines that react to predators
What eats a sea ergen?
Sea urchins are preyed upon by several marine animals, including starfish, certain fish species like triggerfish and pufferfish, and sea otters. These predators have adaptations that allow them to consume the spiny sea urchins despite their defensive spines. Additionally, some birds and crabs may also feed on sea urchins, particularly when they are young or in shallow waters.
Do sea urchins live in Connecticut?
No. Sea urchins live in the sea.
What does the process of fertilization in sea urchins produce?
More sea urchins.
What category do sea urchins fit into?
The classification of a Sea Urchin is Echinoidea
How many purple sea urchins are there?
there are excatly 3million purple sea urchins
How are sea urchins and kelp forests connected?
sea urchins eat kelp.
Does a sea urchin have any special adaptations for getting it's food?
Some species of sea urchins have venomous spines which keep them protected as well as helping them obtain food. There are more than 700 species of sea urchins alive today, and each has a unique way of finding and eating food.
What phylum do sea urchins belong?
Echinoderms.
Are sea urchins predators?
No. Sea urchins are primary consumers and only eat sea weed, algae and kelp.
Where can sea urchins be found?
in the sea
Is sea urchins herbivorous?
Yes, sea urchins are herbivores because they mainly feed on algae.
