What is the term that refers to the common receptacle for the urinary genital and digestive canals in amphibians?
So the correct answer is “cloaca”
Which of the following features are shared by all of the jawed fish?
All jawed fish have a cartilaginous endoskeleton, gills and scales. Which feature would have given the jawed fish an evolutionary advantage over the jawless fish when it came time to hunt for food?
What are the four characteristics of the chordates?
In chordates, four common features appear at some point during development: a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail.
What did amphibians evolve?
The earliest amphibians evolved in the Devonian period from sarcopterygian fish with lungs and bony-limbed fins, features that were helpful in adapting to dry land. They diversified and became dominant during the Carboniferous and Permian periods, but were later displaced by reptiles and other vertebrates.
What is a cloaca in a frog?
The frog cloaca is a short simple tube receiving at its inner end the genital and urinary ducts, the rectum, and the allantoic bladder. It is suggested that the function of this tissue is to flush out and lubricate the cloaca, particularly for the passage of eggs and sperm.
What animals have cloaca?
cloaca, (Latin: “sewer”), in vertebrates, common chamber and outlet into which the intestinal, urinary, and genital tracts open. It is present in amphibians, reptiles, birds, elasmobranch fishes (such as sharks), and monotremes. A cloaca is not present in placental mammals or in most bony fishes.
What features are shared by all members of the phylum Chordata?
Animals in the phylum Chordata share four key features: a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail.
What is common among amphibians?
Amphibians are small vertebrates that need water, or a moist environment, to survive. All can breathe and absorb water through their very thin skin. Amphibians also have special skin glands that produce useful proteins. Some transport water, oxygen, and carbon dioxide either into or out of the animal.