𝗕𝗶𝗿𝗱𝘀
What are a bird's insulting feathers called?
Down feathers
What defines a mammal?
They have fur; are warm blooded; have mammary glands to produce milk for their young.
How do birds fly?
Air sacs; hollow bones; wings.
How are mammals different from other vertebrae and the way they nourish their young?
They produce and secrete milk from mammary glands to feed their offspring.
What do some birds do to escape the cold, harsh winter weather?
Migrations
What is the most distinguishing feature of a bird?
Feathers
What order of mammals are meat eaters?
Carnivores
How do male birds attract a female?
They are brightly colored; sing songs; dancing; structure building; tricks in the air.
Do marsupials have short or long gestation?
Short
What are endothermic vertebrates?
Warm-blooded animals; maintain a constant body temperature separate of the environment.
What types of birds have oily feathers and webbed feet?
Waterfowl
What is the odd class of mammals that has many exceptions?
Monotremes
What are the different kinds of bird wings?
High-lift wings; soaring wings; high-speed wings; elliptical wings.
What do many underwater and cold climate mammals have under their skin to keep them insulated?
Blubber
What is the one exception of all mammals that is not endothermic?
Naked mole-rat
What is the structure on the breastbone where flat muscles attach in birds that fly?
Keel
What is the difference between odd toed and even toed ungulates?
Odd toed ungulates have 1 or 3 hooves; even toed ungulates have 2 or 4 functioning hoofed toes.
What is a bird's beak made out of?
Keratin
What separates the thoracic cavity holding the lungs and heart from the abdominal cavity holding the digestive organs?
Diaphragm
What is the difference between the eyes of mammals that are herbivores and mammals that are carnivores?
The herbivores have their eyes on the side, allowing them to see an almost all directions; carnivores have their eyes in front of them, giving them better depth perception needed for attacking prey.
What is the class of birth that have hooked beaks and strong, grasping talons and are carnivorous?
Raptors
What mammals use echolocation to find their prey?
All birds are endotherms: True/False?
True
What is the effects that one animal has on organisms throughout an ecosystem?
Trophic Cascade
What is the second part of a bird stomach that is muscular and thick-walled, and grinds the food?
Gizzard