A jellyfish has a soft body. It floats in the water. What is a jellyfish made of? A. Water and air B. Water and salt C. Water and jelly D. Water and sugar 相关知识点: 试题来源: 解析 C。水母是由水和胶状物组成的。选项 A 水和空气、选项 B 水和盐、选项 D 水和糖都不是水母...
题目Jellyfish can float in the water. What helps them do this? A. Their tentacles B. Their light body C. Their strong muscles D. Their sharp teeth 相关知识点: 试题来源: 解析 B。解析:水母能在水中漂浮是因为它们身体轻。选项 A 触手不是漂浮的原因;选项 C 强壮的肌肉不对;选项 D 它们没有...
The intracellular fluid compartment refers to the total space inside cells. Two-thirds of the body’s total water is found here. The extracellular fluid compartment refers to both the space between cells (referred to as “interstitial” fluid) and to blood plasma. Combined, these contain one-th...
As you make your way to the beach this summer, you might want to brush up on your knowledge of one of the ocean’s most simple but elegant creatures – the jellyfish. They are comprised of 95 percent water and have just a basic nervous system that allows them to smell, detect light,...
Rachel, 11, is afraid of the jellyfish living off the coast of Australia. It’s OK for Rachel to be afraid of that big jellyfish because it’s truly dangerous. But she doesn’t have to be afraid of it all the time. It only lives in certain ocean waters. So when she’s not ...
The children make a big sandcastle (沙堡) first.Their dad helps them.The sandcastle is nice.Then Risha sees a big jellyfish (水母) in the water.The children and their mom go to see the jellyfish,but their dad doesn't.He goes to buy some ice-cream. ...
What fish eat coral reefs? Coral Reefs: Coral reefs don't make up a large portion of the sea floor--less than two percent of it--but they are homes to thousands, if not millions, of different species of living organisms. Scientists estimate that there are probably between one and eight...
The thing is that high school students might not realize that most people studying sea snails and jellyfish are happy to be doing it. Once you get to a certain level of scientific inquiry a jellyfish can be just as fascinating as a dolphin. ...
National Geographic photographer Brian Skerry has been diving in the Gulf of Maine for more than 40 years. After learning these waters were a harbinger of climate change, he set out to document the rapid shift and its ripple effects.
Remember, there’s no one “right” way to interpret dreams. Trust your instincts and what feels true to you. Ariana Starling Ariana Starling is a renowned spiritual guide and expert in Spirituality and Astrology, blending ancient wisdom with modern insights. With over 20 years of experience, ...