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4, except caecilians have none.
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What two external features are shared by fish and amphibians?
Amphibians are cold-blooded animals that have a backbone, lungs, and permeable skin. They have flat skulls that are also wide, movable eyelids,Êand limbs. Frogs toads and salamanders are amphibians belonging to different orders.
What is the process where amphibians release their sex cells in the water?
Many aquatic animals do.Some amphibians also do.
Importance of amphibians?
Amphibians eat a lot of insects like harmful species and are prey of many animals like some snakes.
Do amphibians have a larynx?
Many amphibians are born with lateral lines. As they grow older, some amphibians such as salamanders lose their lateral line because it's no longer a necessity due to the fact they also walk on land.
What is study of amphibians?
Amphibians are creatures which spend part of their life in water and part of their life on dry land.Amphibians are one of the groups of vertebrates, and are characterized by being cold blooded and having moist skin, through which they can also absorb oxygen. They include frogs, toads, newts, salamanders (including axolotls) and caecilians, which all start their lives as eggs. They hatch out as tadpoles which breathe through gills and a spiracle. As they grow, they develop lungs and legs, and are able to leave the water and walk on land, apart from axolotls.Amphibians are members of the class Aviva sub phylum Vertebrate phylum Chordate's The class Amphibian includes frogs, toads, salamanders, newts and Cacilia's Amphibians are characterized by a glandular skin without external scales, by gills during development (and in adulthood in some), and by eggs that may have jelly coats but develop without formation of extra embryonic membranes such as the amnion. Most amphibians also have four limbs. Limbs and lungs are adaptations for life on land; the limbs evolved from the ancestral fishes' lobed fins. The scales and amenity egg evolved by reptiles are further adaptations for life on land and distinguish reptiles from amphibians. Amphibians, such as frogs, toads, salamanders, newts, and Guamanian are coldblooded animals that metamorphose from a juvenile, vertebration form to an adult, airbrushing form. Typically, amphibians have four limbs. Unlike other land animals amenities amphibians lay eggs in water, as their fish ancestors did. Amphibians are superficially similar to reptiles. It is a coldblooded vertebrate (it has a backbone) e.g. frog, toad, newt.. A cold blooded animal that spends its life both on water and on land. A vertebrate,eg.frogAn amphibian is a vertebrate, which has a backbone. It lives both on land and in the water. (like frogs, turtles, alligator) an amphibian is an animal that lives near the water such as a frog amphibians are animals that breath from their lungs amphibians are animals that are cold blooded and can only survive in wet condition and moist conditions.
Why do amphibians have limbs?
The limbs for Amohibian is Weak legs...
What amphibian has no limbs?
The caecilians are limbless amphibians.
At which stage of metamorphosis do amphibians develop limbs?
Fifth
How limbs do amphibians have?
4, except caecilians have none.
How are caecilians different from other amphibians?
Caecilians have no limbs or appendages.
What do amphibians have that bony fish do not?
Well they have limbs and lungs, which I would consider more complex.
Why can reptiles carry more body mass than amphibians?
because their limbs and bones are stronger than those of amphibians
What are 2 adaptatoins amphibians have for moving on land?
Strong skeletons and muscular limbs.
How are skeletons of amphibians similar to skeletons of other vertebrates?
they are similar when it comes to their limbs
What are amphibians the ancestor if?
Amphibians originated from from a tetrapod. Early tetrapods were like fish but may have had limbs to move on the bottom of marshes. In later fossils, the limbs were found further below to lift the animal off the ground. Eventually, amphibians arose the ability to breath through the air as well as water.
How many limbs how many limbs does a crayfish have?
8 major limbs
Is a fish a amphbian?
No. Fish breathe through gills and have scaly skin. They have fins and no true limbs. Amphibians breathe throgh gills during development stage then convert tro lungs. Most then grow limbs and have naked (no scales) skin. Examples of amphibians are frogs, newts, salamanders and toads.
