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Animals swim because they have these special structure, and this are the fins and tails, but they cannot swim if they cannot breath under water and this is called gills.
It really depends on the type of animal you are talking about. If you are takling about a shark or fish. Then, see above. If you are talking about an animal such as a hippopotums then they simply do what we humans call a 'Doggie paddle' they use their legs to basically 'Walk' through the water.
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What are the characteristic of chondrichthyes?
these organisms can swim,are kind of small,and are bascly like a fish.
Compare and contrast the morphological characteristic of osteichthyes and chondrichthyes?
There are many differeces between chondrichthyes and osteichthyes. Chondrichthyes means "cartilaginous fishses", in fact their skeleton is made up of cartilage, while osteichthyes, which means "osseous fishes", have an osseous skeleton, but there are other differences: chondrychthyes have many branchial fessures, different reproduction, lack of swim bladder, and many others.
Do chondrichthyes have bones?
No, chondrichthyes are fish that have skeletons made out of cartilage instead of bone.
Sharks rays and skates belong to what group?
Chondrichthyes
What is the main difference between Agnathans and Chondrichthyes?
agnathans are jawless fish where as chondrichthyes are known for their jaws
What type of body covering does an organism in the class Chondrichthyes have?
An organism in the class chondrichthyes has a shiny gloss of nutrition on it.
What class of fish do sharks belong to?
Sharks belong to cartilaginous fish. (Chondrichthyes)
What sot of group is a stingray?
Chondrichthyes
What order do sharks live in?
Chondrichthyes
How do chondrichthyes breath?
they breath with lungs
What type of consumers are Chondrichthyes?
skin
What type of organism is the megalodon?
chondrichthyes
