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.
Chondrichthyes, or cartilaginous fish like sharks and rays, move in the water by using their powerful tail muscles to create thrust and propel themselves forward. They also have streamlined bodies and pectoral fins that help them maneuver and control their direction as they swim. Additionally, some species of chondrichthyes can adjust the position of their pectoral fins to generate lift and maintain buoyancy.
a long tail to hit its predators with. dirp!
Some can swing from trees and some can camouflage. Their are tons of animals in the rainforest so the adaptations will vary by the the species.
thier toes
Yes there are special adaptations of a sheep.
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.
Chondrichthyes
Well some special adaptations a snake has is it begins it's life adaptation with no legs, no ears, and no arms. They slither on there bellies. Snakes also have a special environment adaptation which is they change colors!
Chondrichthyes, which include sharks, rays, and skates, comprise around 1,200 different species. This group is characterized by their cartilaginous skeletons, as opposed to bony fish. The diversity within Chondrichthyes reflects a wide range of adaptations to various marine environments. Their species can be further classified into two main groups: Elasmobranchii (sharks and rays) and Holocephali (chimeras).
they do
nothing
YES
No, chondrichthyes are fish that have skeletons made out of cartilage instead of bone.
Chondrichthyes
hands and feet
molting