【题文】 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 valuable especially in places like Hawaii where algae...
So far, I've blogged about animal holes on six continents. Are you wondering about Antarctica? I just learned that sea urchins live in burrows there. check back soon for a post about them. I'm going to keep doing research on animals th...
难度中等。根据划线词所在句的下一] But they had to grow to the size of a cherry tomato before they could be used .可知,海胆必须长到樱桃番茄的大小才能被使用;再结合第一段第一句Sea urchins are small creatures, but what's really remarkable about them is that they eat anything that happens ...
More to Come So far, I've blogged about animal holes on six continents. Are you wondering about Antarctica? I just learned that sea urchins live in burrows there. check back soon for a post about them. I'm going to keep doing research on ...
Sea cucumbers are striking members of the phylum Echinodermata, a collection of some 7,000 species of mostly marine invertebrates that also includes sea stars and sea urchins. Sometimes bizarre to human eyes, sea cucumbers have adapted to a mostly slow-moving life at or near the bottom of the...
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...
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. ...
细节理解题.根据第一段中Th ey have really sharp teeth they use to rid rock s of algae (海藻) which makes them pretty valuable especially in places like Hawaii where algae are threatening the coral reefs. 可知, 它们有锋利的牙齿用来清除岩石上的藻类,这使它 们非常珍贵,尤其是在夏威夷这样的地方...
So far, I've blogged about animal holes on six continents. Are you wondering about Antarctica? I just learned that sea urchins live in burrows there. check back soon for a post about them. I'm going to keep doing research on animals th...
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 ...