Do cartilaginous fish have gills?Cartilaginous Fish:Cartilaginous fish belong to the class Chondrichthyes, one of the three classes of fish belonging to the phylum Chordata. These fish have cartilage instead of bone for skeletons, placoid scales, and jaws. The presence of jaws and scales ...
Do cartilaginous fish have an operculum? Are amphibians invertebrates or vertebrates? Do bony and cartilaginous fish have bladders? Do mammals or amphibians have 3-lobed livers? Can amphibians have both lungs and gills? Do amphibians have lungs or gills?
aGWS are fish, but unlike most fish do not have bones but rather a "cartilaginous". Two other differences are their scales which are not smooth and their gills which are not covered like most fish but are open. GWS是鱼,但不同于多数鱼不要有骨头,而是宁可一“软骨”。 其他二个区别是不是...
Spiny dogfish are the world's most abundant shark species. ... They resemble other sharks in their pointed noses and slender, streamlined bodies.Their skeleton is made of cartilage instead of bones, making their boneless, white fillets popular in British fish and chips. ...
Sharks do not have bones. They are a special type of fish known as "elasmobranchs", which translates into fish made of cartilaginous tissues—the clear gristly
GWS are fish, but unlike most fish do not have bones but rather a "cartilaginous". Two other differences are their scales which are not smooth and their gills which are not covered like most fish but are open.问题补充:匿名 2013-05-23 12:21:38 GWS是鱼,但不像大多数鱼类不会有骨头,...
1. The bony or cartilaginous framework that encloses and protects the brain and sense organs of all vertebrates and of one group of nonvertebrates (the hagfishes); cranium. 2. Informal The head, regarded as the seat of thought or intelligence: Use your skull and solve the problem. 3. A...
Although they are often called“fish,”sharks are cartilaginous. This means that their skeletons are made out of cartilageinstead of bone. Fish have scales, but shark skin is covered in mucus designed to prevent parasites. In turn, they have a very smooth and oily texture. Itprevents them fr...
aGWS are fish, but unlike most fish do not have bones but rather a "cartilaginous". Two other differences are their scales which are not smooth and their gills which are not covered like most fish but are open. GWS是鱼,但不同于多数鱼不要有骨头,而是宁可一“软骨”。 其他二个区别是不是...
What type of fish is the most poisonous to eat? Sea Bass Puffer fish Grouper Surgeonfish 3/10 There are three categories of fish. What is the odd one out? Jawless Cartilaginous Pungent Bony 4/10 Fish have an in-built sensor which helps them swim around dark water. Wha...