Why are sea urchins regarded as outstanding creatures?A. They are tiny but have teeth.B. They can keep the ocean clean.C. They are useful in removing harmful algae.D. They grow on coral reefs with algae.2. What happened after non-native algae arrived atKane'ohe Bay?A. They helped ...
Sea urchins(海胆)are small creatures,but what's really remarkable about them is that they eat anything that happens to float by.They have really sharp teeth they use to rid rocks of algae(海澡),which makes them pretty...
What is it?Uni is the Japanese word for sea urchin (海胆).Sea urchins are easy to recognize. They have long, thin spines (刺) which are dangerous. Sea urchins can grow up to 10 centimetres round and can live for 200 years!Where can you find them?
Scientists say a small parasite is the cause of death of many sea urchins in the Caribbean Sea. Sea urchins are simple animals that have long spines. Last year, the long-spined sea urchins, also known as Diadema antillarum, started getting sick. They were losing their spines and their stick...
【题目】 Sea urchins(海胆) are small creatures , but what’s really remarkable about them is that they eat anything that happens to float by. They have really sharp teeth they use to rid rocks of algae(海藻)which makes them pretty valuable especially in places like Hawaii where algae are ...
If you’re in shallow or rocky areas of the ocean, keep an eye out for sea urchins. Watch where you step and where you put your hands to avoid surprise contact with them. Don’t go into the ocean at night if you know there are sea urchins in the area. ...
Sea lettuce 海白菜 Cladophora (Cladophoraceae) 刚毛藻科 Red algae红藻 Pepper dulse 辣椒红藻类 Blue shark大青鲨 Tarpon大海鲢 Tiny plants and animals微生物和动物 Herring鲱(又称青鱼) The green plants are food for many tiny creatures, which ...
Sea urchinsare good algae eaters who mainly gather in colder, offshore waters. Intriguingly, they travel into shallow waters in search of food. The sea urchins possess a structure called Aristotle’s lantern, consisting of five rigid plates that come together like a beak which enables them to ...
What phylum do sea urchins belong to? What is the common name for the phylum Nematoda? What phylum do butterflies belong to? What is the genus and species of an earthworm? What phylum are cestodes in? Is an earthworm a member of the phylum Nematoda?
How much do mass extinctions contribute to the evolution of a group as compared with long-term adaptive trends For examples sea urchins are ubiquitous in modern oceans but were relatively uncommon during the Permian. Only a single genus, Miocidaris, is known for certain to have survived the ex...