Shared Flashcard Set

Details

Bio
Amnyotes
50
Biology
Undergraduate 1
03/19/2013

Additional Biology Flashcards

 


 

Cards

Term
What taxonomic category are amnyotes?
Definition
Clade
Term
What are amnyotes a part of?
Definition
Tetrapods
Term
What classes are contained within Amnyotes?
Definition
Reptilia and Mammalia
Term
What are examples of reptilia?
Definition
Snakes, lizards, turtles, crocodiles and birds.
Term
Are reptilia aquatic or terrestrial?
Definition
Terrestrial
Term
To what superclass do amnyotes belong?
Definition
Tetrapods
Term
How does reptilia respire?
Definition
With the lungs
Term
How may reptilia be characterized by their embryonic development?
Definition
Viviparous or oviparous
Term
Amnion
Definition
Protective, fluid filled sac for embryo
Term
Amnyotes have what distinguishing characteristic?
Definition
Amniotic egg
Term
Reptilia can be oviparous. What kind of egg does reptilia lay?
Definition
Amniotic shelled egg
Term
Protective, fluid-filled sac for embryo
Definition
Amnion
Term
What is the function of an amnion?
Definition
To protect from dessication
Term
What has amnions?
Definition
Reptiles, birds and mammals
Term
What animals are amniotes?
Definition
Reptiles, birds and mammals
Term
The amniotic egg contains what parts?
Definition
Amnion, Allantois, Chorion, Yolk sac
Term
What does the amnion do?
Definition
Holds fluid around embryo to protect from jarring.
Term
What does the allantois do?
Definition
Waste disposal and gas exchange
Term
What does the chorion do?
Definition
Gas exchange
Term
What does the yolk sac do?
Definition
Contains stored nutrients
Term
True or false: only the yolk sac contains nutrients in the amniotic egg.
Definition
False: they are also in the albumen
Term
Albumen
Definition
Liquid inside the shell
Term
What is the skin like in class reptilia?
Definition
It has tough scales.
Term
What is within the scales of reptilia
Definition
keratin
Term
What is the consequence of the tough scales of reptilia
Definition
They do not respire through their skin.
Term
What kind of fertilization does reptilia have?
Definition
internal
Term
What kind of embryonic development does reptilia have?
Definition
oviparous or viviparous
Term
True or false: reptilia retain their eggs inside them.
Definition
False: reptilia lays their eggs
Term
What are the two ways that an organism may be classified by how they obtain heat?
Definition
Ectothermic and endothermic
Term
Ectothermic
Definition
Absorb heat from the environment
Term
Endothermic
Definition
Absorb heat through metabolism
Term
Absorb heat from environment
Definition
Ectothermic
Term
Absorb heat through metabolism
Definition
Endothermic
Term
How do birds obtain heat?
Definition
Endothermically
Term
How do non-birds obtain heat?
Definition
Ectothermically
Term
What taxonomic category are birds contains within?
Definition
Reptilia
Term
What are examples of birds?
Definition
Owls, sparrows, penguins and eagles.
Term
In birds, the ________________ are modified to __________.
Definition
forelimbs, wings
Term
What is a bird-like dinosaur
Definition
Archaeopteryx
Term
Archaeopteryx
Definition
bird-like dinosaur
Term
Flight adaptations of birds
Definition
-Honeycombed bone structure
-Airfoil shaped wings
-No TEETH
Feathers
Term
What does the honeycombed bone structure do?
Definition
Makes their bones strong and light.
Term
What does the airfoil shaped wings do?
Definition
It makes birds aerodynamic fit for flight.
Term
What is the composition of feathers?
Definition
Keratin protein with hollow shafts.
Term
What does the lack of teeth do?
Definition
Makes the bird weigh less.
Term
How do birds respire?
Definition
Through efficient lungs
Term
Birds have ________ eyesight and __________ brains.
Definition
Good eyesight, large brains.
Term
Are birds endothermic or ectothermic?
Definition
Endothermic
Term
How do birds fertilize?
Definition
Internally
Term
What kind of embryonic development do birds have?
Definition
Oviparous with shelled amniotic eggs.
Supporting users have an ad free experience!