Biology Biology Practice Problems Solutions Library

Aminotes Solutions Library

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19 solutions

Aminotes

Q. Why is the amniotic egg considered an important evolutionary breakthrough?A. It prolongs embryonic development. B. It permits internal fertilizatio...

Solved • May 26, 2020

Aminotes

Q. What is the single unique characteristic that distinguishes extant birds from other extant vertebrates? A) endothermy B) feathers C) an amniotic eg...

Solved • May 19, 2020

Aminotes

Q. What is the function of the air sacs in the respiratory system of birds? a) To allow mixing of fresh and stale air so that the oxygen/carbon dioxid...

Solved • Apr 22, 2020

Aminotes

Q. How does the respiratory system in birds differ from the mammalian respiratory system? a) The respiratory system in birds allows exchange of fresh ...

Solved • Apr 22, 2020

Aminotes

Q. What distinguishes the yolk sac from the allantois?

Solved • Jun 29, 2018

Aminotes

Q. Mammals help retain the heat they produce by:a. Having hairb. By controlling blood flow to the skinc. By panting or sweatingd. All of the abovee. a...

Solved • Nov 15, 2017

Aminotes

Q. All of the following are similarities between birds and reptiles EXCEPT:a. Presence of one ear boneb. Multiple bones form the bottom jawc. Endother...

Solved • Nov 15, 2017

Aminotes

Q. All of the following are Reptilian orders EXCEPT:a. Crocodilia - crocodiles and alligatorsb. Testudinata - turtlesc. Squamata - snakes and lizardsd...

Solved • Nov 15, 2017

Aminotes

Q. Monotremes (echidnas and platypus) are different from all other mammals in that:a. They are ectothermic (cold-blooded)b. They lay eggsc. They have ...

Solved • Nov 15, 2017

Aminotes

Q. All of the following are unique (only found in) avian characters, EXCEPT:a. Four-chambered heartb. Air sacsc. Feathers

Solved • Nov 15, 2017

Aminotes

Q. All of the following are unique (only found in) mammalian characters, EXCEPT:a. Hairb. True mammary glandsc. endothermia (warmblooded)

Solved • Nov 15, 2017

Aminotes

Q. Which of the following features of birds in not an adaptation for flight?a. Heavy teeth replaced with a light bill.b. Endothermy and a high metabol...

Solved • Nov 8, 2017

Aminotes

Q. More than half of all vertebrates area. mammalsb. fishesc. amphibiansd. birdse. reptiles

Solved • Nov 8, 2017

Aminotes

Q. The fetal placenta and umbilical cord are formed from thea. chorion and amnionb. chorionc. chorion and uterusd. amnione. chorion and allantois

Solved • Nov 7, 2017

Aminotes

Q. The earliest warm blooded land animals were thea. pelycosaursb. therapsidsc. thecodontsd. dinosaurse. microsaurs

Solved • Nov 7, 2017

Aminotes

Q. Which of the following is not a unique feature of birds?a. four chambered heartb. hollow bonesc. keeled breast boned. constant direction of air flo...

Solved • Nov 7, 2017

Aminotes

Q. Next to rodents, the largest order of mammals is made up ofa. carnivoresb. insectivoresc. batsd. primatese. cetaceans

Solved • Nov 7, 2017

Aminotes

Q. Mammals arose from thea. pelycosaursb. therapsidsc. thecodontsd. dinosaurse. birds

Solved • Nov 7, 2017

Aminotes

Q. The problem of waste disposal caused by the watertight egg is solved by storing the waste in thea. amnionb. allantoisc. choriond. yolk sac

Solved • Nov 7, 2017