OESOPHAGUS STOMACH
ECHINODERMS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
are large enough to eat cruise ships.
|
|
|
can’t move.
|
|
|
are flat.
|
|
|
have venomous spines.
|
Detailed explanation-1: -Yes. Sea urchins have two types of venomous organs-spines and pedicellaria. Spines produce puncture wounds. Contact with sea urchin spines and their venom may trigger a serious inflammatory reaction and can lead to.
Detailed explanation-2: -The tips of the sea urchin spines have tiny claw-like pincers called pedicellariae which carry venom. Symptoms vary depending on the species. Reactions can range from pain, redness and swelling to (rarely) an extreme allergic reaction, trouble breathing and even death.
Detailed explanation-3: -Very few species of sea urchins contain venom. If venom is present, hot-water immersion may also help denature any superficial toxins.
Detailed explanation-4: -Sea urchins: Local sea urchins, like those on exhibit at the Aquarium, have long, sharp spines but don’t produce toxins. Some tropical species of sea urchins are venomous, however.
Detailed explanation-5: -Diadema setosum is a species of long-spined sea urchin belonging to the family Diadematidae. It is a typical sea urchin, with extremely long, hollow spines that are mildly venomous.