Urchin

What are some unique things about sea eggs?
What makes a sea urchin unique?How many spikes does a sea urchin have?What's good about sea urchins?How does a baby sea urchin defend itself?What hap...
What is a sea urchin shell made of?
Although the sea urchin shell looks fragile, the shape and construction make it quite strong. The shell is constructed of many small plates made of a ...
What are some different types of sea urchins?
How many types of sea urchin are there?What are the most common sea urchins?What is the rarest sea urchin?What is the species of a sea urchin?Is a he...
What is a sea urchin's eggs?
The sea urchin egg is surrounded by a gelatinous extracellular matrix called the jelly coat through which spermatozoa must pass before reaching the pl...
What is the use of a sea urchin?
Sea urchin is usually served raw as sushi, commonly seen in Japanese cuisine, but it has a variety of applications. Mediterranean cuisines have used u...
Is a sea urchin ectothermic or endothermic?
Are echinoderms ectothermic or endothermic?What is a sea urchin classified as?Are snails ectothermic or endothermic?Is a sea urchin abiotic?Is a sea ...
What is a small sea animal with round body in a shell covered with sharp spines?
Sea urchins are small sea animals that have spherical tests, or shells, that are typically covered in spines similar to those of a porcupine. What kin...
Black long spine urchin with white spines?
Are long spine urchins venomous?Are black sea urchins poisonous?Can you touch black sea urchins?What do long-spined urchins do?Is a long spine urchin...
Where do purple sea urchins live in nature?
Habitat. Purple Sea Urchins live on intertidal rocky shores and in coastal waters to a depth of 35 m. Where is the purple sea urchin found?What enviro...