Amphibians Flashcards
Amphibians sperm have flagella. True or false?
true
Amphibians have _____ fertilization
internal
Double circulation means?
A. Blood flows in two circuits: pulmonary and systemic
B. resulted from low gravity pressure on body
C. Blood flows in an open circulatory system
D. single atrium and single ventricle
A
Early lobe-finned fishes chracteristics:
A. simple pharyngeal out-pocketings of the gut
B. Well-developed kidney
C. Pelvic and pectoral girdles for attachment of muscles
D. Double circulation system
All of the above
Early lobe-finned fishes chracteristics:
A. simple pharyngeal out-pocketings of the gut
B. Well-developed kidney
C. Pelvic and pectoral girdles for attachment of muscles
D. Double circulation system
All of the above
All tetrapods
A. Have a bony skeleton and a head separated from body by neck
B. Bones of pelvic girdle fused to backbone
C. Have a 2 chambered heart
D. Require water to reproduce
A C and D
Not b because amphibians have 3 chambers
In buccal pumping, the mouth and nostrils close, floor of mouth rises during which step?
inhalation
Amphibians have:
A. cutaneous respiration
B. endothermic behaviours
C. 1 ventricle
D. Paired mesonephric kidneys
A C D
elastic recoil and compression of muscular body wall descibes which stage of buccal pumping
exhalation
Amphibians have external or internal fertilization. True or False?
true
3-chambered heart with double circulation: means there is a _____of oxygenated and deoxygenated blood
mixing
Which tetrapod group has a mixing of oxygenated and deoxygenated blood?
amphibians
What are the 3 amphibian orders?
Apoda (no feet)
Caudata (with tail)
Anura (no tail)
Apoda have:
A. External fertilization: ♂ have no copulatory organ
B. ♀ picks up spermatophores left by ♂
C. Internal fertilization: ♂ has copulatory organ
D. Internal fertilization: ♂ has no copulatory organ
C
Amplexus means:
a form of mate gaurding
