Which tetrapod has a larval stage that breathes using gills?

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... the air-bladder of certain fishes became progressively better adapted as an organ of respiration and the gills ... tetrapods has been greatly ... tetrapod origins ... - Read more

... the newts are in the larval stage and are called tadpoles. ... they breathe with gills and swim. As they grow older, ... By using the eHow.co.uk site, ... - Read more

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Which tetrapod has a larval stage that breathes using gills? resources

tadpole - definition and meaning - Wordnik.com

As the tadpole approaches the adult stage, ... A young toad or frog in its larval stage of development that lives in water, ... breathes through gills.

Gill - Wikipedia, the free encyclopedia

Oxygen has a diffusion rate in air 10,000 times greater than in ... When a fish breathes, ... is carried out using a very primitive version of gills called papulae.

BBC Nature - Amphibians videos, news and facts

Amphibians. Amphibians include ... A typical amphibian has a larval stage spent in water during which it breathes through gills, and an adult stage that is less tied ...

Tetrapod - Wikipedia, the free encyclopedia

... has grown exponentially over time; ... with legs and lungs as well as gills, ... By using this site, ...

Tadpole dictionary definition | tadpole defined

The definition of a tadpole is the young stage of an amphibian, it lives in water, has a tail and breaths through gills.

Five Classes of Vertebrates - Nelson David L MD

They breathe with gills. 5. ... and their life cycle has two stages, the "pollywog" or larval ... vertebrates. 2. Their skin has ...

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Chordata definition of Chordata in the Free Online ...

Information about Chordata in the Columbia Encyclopedia, ... The pharynx has gill slits, ... In many species there is a larval stage that is quite dissimilar to the ...

What Is a Mollusk? - Wikispaces

Many aquatic mollusks have a free-swimming larval stage called ... breathe using gills inside ... respire using a mantle cavity that has a large ...

Biology

Many mollusks have a larval stage called a ... and Function in Mollusks Respiration Aquatic mollusks breathe using gills inside ... has at least one band ...

Untitled Document [bio.sunyorange.edu]

... a very successful family of salamanders in North America has actually lost ... its larval stage. ... from its lungs using its internal gills.

Asyncritus' How Does Instinct Evolve: Tiktaalik and the ...

... (using gills) ----- X -----> Tiktaalik ... but Tiktaalik (which has a shoulder girdle and neck, ... still shows a stage that tetrapod evolution went ...

Chapter 17 Study Guide - Weber State University

CHAPTER 17 TETRAPOD & MODERN AMPHIBIANS S ... Salamanders with an aquatic stage hatch with gills and lose them at ... Larval stages or tadpoles are usually ...

Metamorphosis - Animal Facts

... to a larval (juvenile) stage in which they live in and breathe ... It breathes through gills. ... During metamorphosis, their gills become reabsorbed into their ...

Chordata Facts, information, pictures | Encyclopedia.com ...

The pharynx has gill slits, ... Fishes breathe water by means of gills located in internal ... In many species there is a larval stage that is quite dissimilar to ...

TETRAPOD ORIGINS - Texas A&M University-Kingsville

air has higher O 2 content ... absence of internal gills ; ... No larval stages. No metamorphosis ; four extraembryonic membranes .

veliger - definition and meaning - Wordnik.com

veliger: A larval stage of a mollusk characterized ... or the embryo in that stage, when it has a ciliated ... Truncatella breathes with a gill see my ...

Evolution of Vertebrate Respiratory Control - Encyclopedia ...

... while the first ray-finned fishes were capable of breathing air using a ... breathing lineages, the tetrapod lung has ... larval stage that ...

Complete and Incomplete Metamorphosi - PBworks

... has THREE stages COMPLETE METAMORPHOSIS ... and grubs are all just the larval stages of insects. ... breathes with gills, and has a tail.

Phylogenetic systematics, a.k.a. evolutionary trees

It has only happened once and only leaves behind clues as to what happened. Systematists use these clues to try to reconstruct evolutionary history.

Do All Salamanders Lose Their Gills and Develop Lungs and ...

Most salamanders have gills during their larval stage. They live in water and, like fish, breathe underwater. As they reach maturity, which can take years in some ...

Tadpole - Definition and More from the Free Merriam ...

Full Definition of TADPOLE : a larval amphibian; specifically : a frog or toad larva that has a rounded body with a long tail bordered by fins and external gills soon ...

Amphibians | CK-12 Foundation

The amphibian tadpole resembles a fish. ... The majority of amphibian species go through a larval stage that is very ... The tadpole also has gills to absorb ...

Chapter 19 The Evolution of vertebrate diversity ...

Chapter 19 The Evolution of vertebrate ... they breathe partly through their skin but it must be ... undergo metamorphosis from a larval stage to the adult ...

Tadpole fish - Academic Dictionaries and Encyclopedias

... and has a finlike tail ... tadpole — noun A young toad or frog in its larval stage of development that ... and, like a fish, breathes through gills. Syn ...

Information and facts about the life cycle of amphibians.

Life Cycle. Most amphibians ... or larvae, which breathe by means of external gills instead of lungs. ... The larval stage lasts from several weeks to one year, ...

Fish gill - Wikipedia, the free encyclopedia

All basal vertebrates breathe with gills. ... Some amphibans retain the external larval gills in adulthood, ... Although most fish respire primarily using gills, ...