安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- Jellyfish - Wikipedia
Jellyfish are mainly free-swimming marine animals, although a few are anchored to the seabed by stalks rather than being motile They are made of an umbrella-shaped main body made of mesoglea, known as the bell, and a collection of trailing tentacles on the underside
- Jellyfish | Characteristics, Habitat, Diet, Anatomy, Facts | Britannica
Jellyfish, any planktonic marine member of the class Scyphozoa (phylum Cnidaria), a group of invertebrate animals composed of about 200 described species, or of the class Cubozoa (approximately 20 species) Learn more about the characteristics and natural history of jellyfish in this article
- Jellyfish facts and photos | National Geographic Kids
But despite their name, jellyfish aren't actually fish—they're invertebrates, or animals with no backbones Jellyfish have tiny stinging cells in their tentacles to stun or paralyze their prey
- Jellyfish: The smart stinging creatures drifting through our oceans
Discover facts about gelatinous jellyfish, including what they eat, how they move and the clever stinging adaptation that has helped them flourish for millions of years
- Jellyfish - Types, Anatomy, Habitat, Diet, Lifespan, Life Cycle
Jellyfish, often referred to as sea jellies or simply jellies, are predominantly marine cnidarians distinguished by their gelatinous, bell-shaped medusa form The bell is composed mainly of mesoglea, a translucent, jelly-like substance that is more than 95% water
- Everything You Need To Know About Jellyfish - animalko. com
Imagine floating through the ocean without a brain, heart, or bones, yet surviving for over 650 million years! Jellyfish are some of the most fascinating creatures in our oceans, with their translucent bodies and graceful movements
- Jellyfish: Roles in Marine Ecosystems Climate Change Impact
Jellyfish have been around for between 500 to 700 million years, making them the oldest multi-organ animal Their role in marine ecosystems is extremely important, as they are vastly considered keystone species in most oceanic food webs
- Jellies | Animals | Monterey Bay Aquarium
Some fish turn the tables, eating the jelly for dinner: blue rockfish, molas, dogfish, anchovies, chum salmon and mackerel have all been recorded eating jellies The jelly is also a favorite food of sea turtles
|
|
|