Reptiles, birds, and Mammals

Question 1

Amniotic egg

Answer 1

Is a shelled, water retaining egg that allows reptile, bird, and certain mammal embryos, to develop on land.

Question 2

State the five characteristics that set reptiles apart from other vertebrates. (Turtles, snakes, lizards, alligators, crocs, and dynos)

Answer 2

Covered with though dry scales, Ectothermic (cold blooded), breath with lungs throughout their lives, 3 chambered hearts, and they have amniotic eggs.

Question 3

Neurotoxin

Answer 3

a poison that acts on the nervous system.

Question 4

State the function of the yolk, the allantois and the albumen

Answer 4

Yolk-food Allantois-breathing Albumen-Destroys pathogens, supply water, and supply’s amino acids.

Question 5

What are the two most important functions of reptile scales

Answer 5

Reptile scales prevent water loss and insulate the reptile’s bod

Question 6

Endothermic

Answer 6

heated from within the body

Question 7

State the six characteristics that set birds apart from other vertebrates.

Answer 7

1. Endothermic
2. Heart with four chambers
3. Toothless bill
4. Oviparous, laying an amniotic egg that is covered in a lime-containing shell
5. Covered with feathers
6. Skeleton composed of porous, lightweight bones (not a characteristic for all birds)

Question 8

Do all birds fly?

Answer 8

No. There are two orders of flightless birds.

Question 9

Down feathers

Answer 9

Feathers with smooth barbules but no hooked barbules

Question 10

contour feathers

Answer 10

Feathers with hooked and smooth barbules, allowing the barbules to interlock

Question 11

Which shell is harder? reptile or bird?

Answer 11

bird

Question 12

What is a bird actually doing when it is preening?

Answer 12

When preening, a bird is actually oiling its feathers.

Question 13

What type of feather is used during flight?

Answer 13

contour

Question 14

What type of feather is used for insulation

Answer 14

down

Question 15

What is unique about a bird’s method of molting

Answer 15

A bird’s feathers molt in pairs

Question 16

which is heavier, a bird’s bone or the same size bone from an amphibian?

Answer 16

Amphibian bone

Question 17

Reptiles have a growth-related characteristic in common with the arthropods. What is it?

Answer 17

they both have to molt

Question 18

Hemotoxin

Answer 18

blood poison

Question 19

placenta

Answer 19

A structure that allows an embryo to be nourished with its mothers blood supply.

Question 20

gestation

Answer 20

The period of time in which an embryo develops before being born.

Question 21

mammary glands

Answer 21

Specialized organs in mammals that produce milk to nourish the young.

Question 22

state the five charcteristics that set mammals apart from other vertebrates.

Answer 22

1. have hair
2. reproduce with internal fertilization and usually viviparous
3. nourshish young with milk
4. four chambered heart
5. endothermic

Question 23

What is the main difference between offspring born after a long gestation period and offspring born of short gestation period?

Answer 23

the longer the gestation the more developed they are.

Question 24

Name a nonplacental mammal

Answer 24

kangaroo

Question 25

you see some barbs from a feather. you have no idea whether they come from down feather of contour feathers. looking at the barbs under the microscope, however, you see that there are no hooked barbules. What kind of feather is this?

Answer 25

Down feathers

Question 26

In this module, we studied reptiles reptiles, birds, and mammals. For each class, indicate whether they are ectothermic or endothermic.

Answer 26

reptiles-ecto birds-endo mammals-endo

Question 27

What are at least three things that that flight engineers have to learn from birds to make practical flight possible.

Answer 27

Proper wing structure, strong hallow tubes from bird bones, and how to reduce wing turbulence

Question 28

tuataras order (rhynchocephalia, squamata, crocodilia, or testudines)

Answer 28

rhynchocephalia

Question 29

turtle order (rhynchocephalia, squamata, crocodilia, or testudines)

Answer 29

testudines

Question 30

alligators order (rhynchocephalia, squamata, crocodilia, or testudines)

Answer 30

crocodilia

Question 31

lizards order (rhynchocephalia, squamata, crocodilia, or testudines)

Answer 31

squamata

Question 32

tortoises order (rhynchocephalia, squamata, crocodilia, or testudines)

Answer 32

testudines