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Mod 16 study guide
Terms in this set (23)
State the 5 characteristics that set reptiles apart from other vertebrates.
Dry tough scales, Ectothermic, breath with lungs though out their life, three chambered heart with ventricle partially divided, produce amniotic eggs covered with leathery shell most oviparous and some ovoviviparous
Identify weather endothermic or Ectothermic.
Endothermic: birds mammals
A. Amniotic fluid b. Embryo c. Amnion d. Allantois e. Chorion f. Yolk sac g. Yolk h. Albumen I. Shell
State functions: yolk ,allantois , albumen
Yolk: provides nutrients for developing embryo
Allantois: a sac of blood vessels that allows for gas exchange and respiration
Reptiles have a growth related characteristics in common with the arthropods. What is it?
What are 2 functions of scales?
Prevent water loss, help insulate
Put following reptiles into proper orders: a. snakes, b. Tuataras, c. Lizards, d. Tortoises e. Alligators f. Turtles
Squamata: snakes, lizards
Testudines: tortoises, turtles
What are six characteristic that set birds apart from other vertebrates?
Endothermic, heart with 4 chambers, toothless bill, oviparous, laying an amniotic egg that is covered in a lime containing shell, covered with feathers, skeleton with light weight bones
Do all birds fly?
A blood sample comes from the ventricle of an animal that is either an amphibian or a bird. How can you tell which?
Which shell is harder bird or reptile?
You see a feather with no hooked barbules. What kind of feather is it?
What type of feather is used for flight? Insulation?
What is a bird actually doing when it is preening?
Water proofing their feathers with oil
What is unique about the birds method of molting?
What three things did flight engineers have to learn from birds?
Turbulence, light weight, alula for landing, (wing slot)
Which is heavier amphibians bone of birds bone?
State 5 characteristics that mammals have in common.
Hair covering skin, reproduce with internal fertilization, nourish their young with milk secreted from specialized gland, four chambered heart, endothermic
What is the principal function of under hair?
Gives mammals their colors and markings
What's is mostly seen on mammals guard hair or under hair?
Name a nonplacental mammal.
What is the main difference between offspring born after a long gestation and offspring born after short gestation?
Mammals born after long gestation are normally more developed that those born of short gestation
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