He studied respiration in marine air-breathing vertebrates.    From Wordnet, Princeton University. 

Scotland: the last bastion of civilized, air-breathing man.    From Wordnik.com.  [Hero Of Dreams]

Most of the ordinary homologies of structure in air-breathing.    From Wordnik.com.  [Form and Function A Contribution to the History of Animal Morphology] Reference

The colorless, odorless gas is poisonous to air-breathing animals.    From Wordnik.com.  [AP Environmental Science Chapter 16- Air, Water and Soils] Reference

The necessity of air-breathing was forced on him at a moment's notice.    From Wordnik.com.  ["Wee Tim'rous Beasties" Studies of Animal life and Character] Reference

Man, in common with all air-breathing animals, has two nasal cavities.    From Wordnik.com.  [A Practical Physiology] Reference

There is no need for the weight of air-breathing engines or their fuel.    From Wordnik.com.  [How Best to Access the ISS-and LEO? - NASA Watch] Reference

That little air-breathing thing flew at Mach 10 or something ridiculous!.    From Wordnik.com.  [Would You Bring Back NGLT-or SLI? - NASA Watch] Reference

Her air-breathing allies and the creatures of the deep would surely come to her aid.    From Wordnik.com.  [Odyssey]

Since it doesn't have an air-breathing engine, the Puffin is not limited by thin air.    From Wordnik.com.  [NASA Unveils Personal Aircraft | Universe Today] Reference

The surface of the roots is covered with tiny, air-breathing openings called lenticels.    From Wordnik.com.  [The Field Guide to Wildlife Habitats of the Eastern United States] Reference

An emergency tracheotomy fills his lungs with air, switching him to an air-breathing metabolism.    From Wordnik.com.  [Custom anthologies!] Reference

Seed: A perfectly-preserved 380M-year-old skeleton of an air-breathing fish has been discovered.    From Wordnik.com.  [Waldo Jaquith - Major evolutionary discovery.] Reference

Regarding air-breathing engines, in retrospect I have to agree with Wes Oleszewski and Paul March.    From Wordnik.com.  [How Best to Access the ISS-and LEO? - NASA Watch] Reference

Therefore, they drown, just as any other air-breathing animal would drown under similar circumstances.    From Wordnik.com.  [The Home Medical Library, Volume V (of VI)] Reference

Agree with "west-texan;" atmospheric air-breathing engines should be incorporated into the Mark II STS.    From Wordnik.com.  [How Best to Access the ISS-and LEO? - NASA Watch] Reference

"It may be necessary to find air-breathing slaves to meet you and supply bodies to soften up the adversary.".    From Wordnik.com.  [Odyssey]

< 11 > But, before it closes, we have a rich and varied terrestrial vegetation, and also air-breathing animals.    From Wordnik.com.  [The Prehistoric World; or, Vanished races] Reference

In a matter of weeks or even days, the once fish-like larvae metamorphose into terrestrial, air-breathing quadrupeds!.    From Wordnik.com.  [Amphibian] Reference

As he spoke he made sure Thralen's breathing passage was clear-at least that step was the same for all air-breathing beings.    From Wordnik.com.  [The Beast That Resembles A Poem(A Handy Resource for Architects,Engineers, and Students)] Reference

That would put an end to the fire and any air-breathing creatures alive down there, but what of those shadowy water-dwellers?.    From Wordnik.com.  [Conan and The Gods of The Mountain]

These suggest that the fish may have been at least partly air-breathing, like modern tetrapods Nature, vol 440, p 757 and p 764.    From Wordnik.com.  [Trollart on Tiktaalik - The Panda's Thumb] Reference

Equally efficacious might be the modern definition of the same creature as a "terrestrial, air-breathing, gastropodous mollusk.".    From Wordnik.com.  [Primitive Psycho-Therapy and Quackery] Reference

But ordinary methods of comparison fail when the attempt is made to homologise the structure of fishes with that of air-breathing.    From Wordnik.com.  [Form and Function A Contribution to the History of Animal Morphology] Reference

In the other air-breathing Vertebrates the nine sternal elements can according to Geoffroy be discovered without great difficulty.    From Wordnik.com.  [Form and Function A Contribution to the History of Animal Morphology] Reference

Insects (eggs, larvae, pupae, or adults), as well as any other air-breathing organisms introduced with the grain, are then destroyed.    From Wordnik.com.  [Chapter 24] Reference

It appeared to be a floating building modified for travel, with fuel tanks and an air-breathing motor built into the fifteenth floor.    From Wordnik.com.  [The Ringworld Engineers]

I would float sometimes just below the surface, aware of people and things in the air-breathing world, but incapable of joining them.    From Wordnik.com.  [A Breath of Snow and Ashes]

In July, Headquarters USAF cancelled the air-breathing Navaho missile in order to concentrate upon higher priority ballistic missiles.    From Wordnik.com.  [Strategic Air Command: People Aircraft and Missiles 2nd Edition]

NORAD was created to provide a defense against the threat from air-breathing aircraft, specifically the threat from long-range bombers.    From Wordnik.com.  [The NORAD Papers] Reference

The air-breathing coffee bean snail, for instance, climbs the stem of the cordgrass twice a day, staying just ahead of the rising tide.    From Wordnik.com.  [The Field Guide to Wildlife Habitats of the Eastern United States] Reference

Along the whole estuary there is an abundance of air-breathing creatures, most noticeably birds, that reflect the wealth in its waters.    From Wordnik.com.  [The Nation's River A report on the Potomac from the U.S. Department of the Interior] Reference

Automatic and involuntary as his heart-beating and air-breathing, was his defence of his meat once he had his paw on it, his teeth in it.    From Wordnik.com.  [CHAPTER XI] Reference

Allometry of diving capacity in air-breathing vertebrates.    From Wordnik.com.  [Featured Articles - Encyclopedia of Earth] Reference

Water and air pollution (dolphins are air-breathing mammals) 3.    From Wordnik.com.  [WN.com - Articles related to Metro wholesalers charged with importing animal, plant parts] Reference

Lack of oxygen may have forced fish to evolve into first air-breathing animals.    From Wordnik.com.  [WN.com - Articles related to Great White Sharks now more endangered than tigers with just 3,500 left in the oceans] Reference

Marines, meets 81 percent of 3DELRR's mission requirements against air-breathing targets and.    From Wordnik.com.  [Latest News - UPI.com] Reference

Scramjets are air-breathing engines capable of travelling at hypersonic speeds, greater than Mach 5.    From Wordnik.com.  [UQ News Online] Reference

Sydney: A massive plunge in global oxygen levels, not freshwater frolicking, could have led to the rise of air-breathing.    From Wordnik.com.  [WN.com - Articles related to Unsafe water kills more people than war] Reference