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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 an amniotic egg?
No, chondrichthyes, which include sharks, rays, and skates, do not have an amniotic egg. Instead, many species of chondrichthyes reproduce through methods such as oviparity (laying eggs) or viviparity (live birth), with some species having adaptations like the development of embryos in a protective environment within the mother's body. The amniotic egg is characteristic of reptiles, birds, and some mammals, which allows for reproduction in terrestrial environments.
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?
The main difference between Agnathans (jawless fish) and Chondrichthyes (cartilaginous fish) is the presence of jaws. Agnathans lack jaws, while Chondrichthyes have well-developed jaws. Additionally, Agnathans have a cartilaginous skeleton, while Chondrichthyes have a skeleton made of cartilage.
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 type of consumers are Chondrichthyes?
skin
What sot of group is a stingray?
Chondrichthyes
How do chondrichthyes breath?
they breath with lungs
What type of organism is the megalodon?
chondrichthyes
What order do sharks live in?
Chondrichthyes
What class of fish do sharks belong to?
Sharks belong to cartilaginous fish. (Chondrichthyes)
