Definitions
The process of keeping eggs warm
Incubation
Venom is a toxin or poison that is produced to be injected into an enemy or prey by what 2 means
bite or sting
Plumage are all feathers of a bird including what 3 features
type
coloration
arrangement
Condition in which a set of primary teeth is replaced by a secondary set
Diphyodonty
2 characteristics of waterfowl
webbed toes
bone like structures produced by dermis that do not overlap and lie on the surface of the skin
Scutes
what animal is the only one in order sphenodontia
tuatara
what characteristic is shared among all flightless birds
wings too small for body size
Placenta inside the mother that provides developing young with what 3 things
Oxygen
Nutrients
remove CO2 & waste
another name for animals called placentals
eutherians
Scales are structures produced by the epidermis that overlap and lie on the surface of the skin made up of what substance
keratin
Order including lizards & snakes
Squamata
What is the name for a songbirds vocal organ
syrinx
term for the type of mammals that lay eggs & lactate through abdomen
Monotremes
what organ does a snake use to sense chemicals
Jacobsons organ
The chorion is the outer membrane of an egg involved in which process
gas exchange with the environment
List 3 differences between turtles & tortoises
Turtle- water typically salt, webbed feet, sleek shell & body
Tortoise-live on land, stubby feet with claws, dome shell
The allantois is a membrane of an egg that performs what 2 functions
stores waste from embryo
facilitates respiration
List 2 characteristics of marsupials (koala, kangaroo, wallaby)
marsupium (pouch) with nipples inside
different type of placenta
which type of birds have sharp beaks with a hook & talons
Raptors (birds of prey)
Amnion is the inner membrane of an egg that contains fluid to provide protection from what 3 things
mechanical shock
abrasion (rubbing)
dehydration of the embryo
List 5/7 characteristics of reptiles
creeping waterproof skin
vertebrates ectothermic
amniotic egg 4 legs (except snakes)
typically 3 chambered heart
List 5/9 characteristics of birds
endothermic most bones are hollow
4 appendages (2 wing/flippers & 2 legs)
4 chambered heart unidirectional respiration
crop (craw) & gizzard for digestion
lay eggs feathers have a bill
List 5/7 characteristics of mammals
endothermic hair on skin
complex brain (gyri & sulci)
placenta single bone lower jaw
mammary glands external moveable ears
Which animal is a mix between turtle & tortoise
terrapin