This is the study of birds.
What is ornithology?
You only see a bird's feet and you know that it is a songbird because of this.
What is the bird's feet has one toe that is backward for perching?
This is all the feathers of a bird, including their types, coloration,and arrangement.
What is plumage?
Mammals are endothermic (like birds) but their temperature control system is much more complex. In their skin they have this that release water along with a few salts.
What are sweat glands?
https://youtu.be/e_b4PkcpDe0?si=npb28MyuMnbacBXS
Name the bird singing this song.
What is the Northern Cardinal?
Birds are this...meaning they are warm-blooded.
What is endothermic?
This specialized bill has an extended maxillary part (upper portion) that continues past the mandibular part (lower portion) and curves downward, creating a hook-like appearance.
What is a beak?
In many birds, this gender will have much more colorful plumage.
What are males?
Mammals have the presence of this on their skin which is made up of keratin.
What is hair?
A male platypus has a spur on its ankles that can do this.
What is deliver venom?
Bird's circulatory systems have a heart with this many chambers.
What is four?
Birds are oviparous and do this process of keeping their eggs warm.
What is incubation?
Feathers are composed of this to which all other parts attach.
What is the central shaft?
The cerebrum and cerebellum in mammals are covered with ridges and grooves called this.
What are gyri (ridges) and sulci (grooves)?
Red kangaroos are found in eastern Australia and live in groups called this.
What is a mob?
The respiratory system of birds have six air sacs on the posterior ends of the lungs that expand, fill with air, and then contract, pushing air into the lungs. Air that is already in the lungs gets pushed into three anterior air sacs, which push air out of the bird. It is called this kind of respiration.
What is unidirectional respiration?
The furcula helps prevent the bird's body from twisting or breaking during the movement of the wings. On a chicken or turkey, it is commonly known as this.
What is a wishbone?
Along each barb are these, which have a loop-and-lock structure that is similar to Velcro.
What are barbules?
This is the condition in which a set of primary teeth is later replaced by a secondary set.
What is diphyodonty?
This unique feature on a cat's tongue point toward the back of the mouth and help cat's straighten its fur, remove parasites, distribute oil on the skin, and reduce the odors that the body produces.
What are papillae (spines)?
These are the two unique structures that enable birds to capture food and digest it later.
What are the crop (craw) and the gizzard?
This enables the muscles of the chest and wings to attach, providing great strength to the movement of the wings.
What is the keel?
These are the three types of feathers discussed in this chapter.
What are downy feathers, wing feathers, and tail feathers?
This is the structure inside the mother that provides developing young with oxygen and nutrients and removes carbon dioxide and waste.
What is the placenta?
Dolphins have hair when they are a baby that grows on/around this.
What is the rostrum?