Jellyfish are a species of se a animal that are named because of their bodies.Despite the name,they are not fish. A jellyfish has no head,brain,heart,eyes,or ears. Fossil evidence of these creatures dates back to over 650 million years ago,perhaps earlier than dinosaurs.With so many ki...
根据第一段中的Ajellyfish has no head, brain, heart, eyes, orears.,第三段中的 The digestive system is verysimple以及倒数第二段第一句可知答案。6.C细节理解题。根据第三段的最后一句We can easily see their “inside” becausewater takes up the major part of theirbodies, the percentage of ...
Jellyfish (水母)areunusualcreatures. They'reneitherfishnorjelly. Someareamongthemostcolourfulcreaturesintheworld, butit'sbesttolookbutnottouchtheseinvertebrates (无脊椎动物).Notonlyaretheyveryfragilecreatures, butmanygiveapainfulsting (刺痛),andsomeareevendeadly. Whetheryouadmiretheminanaquariumortrytoavoid...
Whether you admire them in an aquarium or try to avoid them in the wild, you won\t be able to get these fascinating jellyfish facts out of your head. Here\s a jellyfish fact that might come in handy: There are several names for a group of jellyfish. They include smack, bloom, ...
jellyfish in the world is a lion's manejellyfish(狮鬃水母).The body of this beautiful orange jellyfish can grow up to6.5 feet in diameter,with its150tentacles that can grow 120 feet long.Oceana.org adds that the lion's mane jellyfish compares in size to the planet'slargest animal:the...
The jellyfishes and thaliaceans comprise primarily planktonic species of cnidarians, ctenophores (jellyfishes) and chordates (thaliaceans or pelagic tunicates). Grouped together because of their gelatinous bodies, these diverse species nonetheless differ in their evolutionary histories and may have ...
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When I think of Jellyfish I think of the floating, transparent, stinging blobs that you find in the oceans or on the beaches. The diverse jellyfish family encompasses more than 200 distinct species. Of all of those the Common Jellyfish stands out as the most widely recognized member. ...
This glow-in-the-dark ability is known as biofluorescence (生物荧光), and many animals, such as chameleons (变色龙), jellyfish (水母), sharks and sea turtles, can do it. Scorpions (蝎子) glow a bright blue under ultraviolet light (a type of light that causes sunburn). Biofluorescence ...
What is an aquatic invasive species? Is the red-eared slider an invasive species? Are earthworms an invasive species? Is the water hyacinth an invasive species? Are jellyfish an invasive species? Are bullfrogs an invasive species? Are weeds an invasive species?