lacking jaws and including the lampreys and hagfishes.鳗类,鳗:无颚的各种原始水生圆口纲脊椎动物中的一种,包括七鳃鳗和盲鳗Any of various unrelated aquatic animals,such as a jellyfish,cuttlefish,or crayfish.水生动物:与鱼无直接联系的水生动物,如海蜇、墨鱼或螯虾Informal A person who is deficient in...
Hag (Obsolete) A female demon. Sag (Nautical) To drift to leeward. Hag A hagfish. Sag To wear one's pants with the waist below the hips, so that one's underwear is visible. Hag A boggy area; a quagmire. Sag To cause to sag. Hag A spot in boggy land that is softer or more ...
a cold fish; a poor fish.高傲自大的人;可怜虫n.attributive.(定语名词)Often used to modify another noun:常用于修饰另一个名词:fish parts; fish gaffs.鱼的各部分;鱼钩v.(动词)fished,fish.ing,fish.esv.intr.(不及物动词)To catch or try to catch fish.捕鱼,钓鱼:捕或尝试着捕鱼To look for so...
The only living agnathans arelampreys and hagfishes(class Cyclostomata), which are parasites or scavengers. Fossil agnathans, covered in an armour of bony plates, are the oldest known fossil vertebrates. They have been dated from the Silurian and Devonian periods, 440–345 million years ago. ...
What is a hagfish? Are there killer whales in the Antarctic Ocean? How much does a baby whale shark weigh? How big is a whale shark's throat? What makes a whale shark a shark?Explore our homework questions and answers library Search Browse Browse by subject Ask a Homework Question Tu...
What is a peafowl? What fish are in the Amazon River? What is a platypus? What type of consumer is a lizard? What kind of animal is a pangolin? What is a caiman? What is a hagfish? What are reptiles? What is a lemur? What is a brontosaurus? What type of animal is a manatee...
Sharks are large, often predatory, cartilaginous fishes, distinct for their skeleton, while fish is a broad term for aquatic vertebrates, including sharks.
The slime produced by a hagfish is an extraord inary defe nse mecha ni srtS制): When the fish is attacked it produces slime that gels胶化)quickly,even in cold water.This slime suffocates使窒息)any enemy, thus allowing a caught hagfish to escape un harmed. “As a chemist and ...
Identify another invertebrate chordate other than the hagfish. Is phylum Mollusca vertebrate or invertebrate? What are the four major subphyla of Phylum Arthropoda? For each subphylum, give one example of a species in that Phylum. Compare a...
It isa parasiteand sucks tissue and fluids out of the fish it is attached to. ... The hagfish is also know as the slime fish. It is eel-like and pinkish in color. It has glands along its sides that produce a thick, sticky slime that it uses as a defense mechanism. ...