What is both?
The process of birds losing their feathers and growing new ones is called ____.
What is molting?
Are mammals endothermic or ectothermic?
What is endothermic?
The largest mammal order contains ______.
What are rodents?
What are the large feathers that cover a bird's body?
What are contour feathers?
Describe the bones of birds.
What is hollow, lightweight, with crisscross structures inside which make them strong?
The structure that attaches an embryo to the placenta is called a(n)________.
What is an umbilical cord?
What are an animal's whiskers used for?
What is sensing their surroundings?
Monkeys, gorillas, and champanzees are ____.
What are primates?
The process a bird uses to oil its feathers to keep them flexible.
What is preening?
What is one way air sacs are helpful to birds?
What is keeping their lungs feel of air?
Two main characteristics of mammals.
What is have fur/hair and produce milk?
The long, pointed teeth used for tearing are called ___.
What are canines?
Some primates have a _______ that is used for gripping.
What is a prehensile tail?
Birds care for their eggs by __________ them.
What is incubating?
What all birds have.
What are feathers?
Mammals that lay eggs are called ___________.
What are monotremes?
What are bats?
Where do you find the most marsupials?
Where is Australia?
How much do birds eat daily?
What is more than their body weight?
What is albumen?
What is the liquid environment in an egg (egg white)?
Name the 3 main groups of mammals and an animal in each group.
What are monotremes - platypus, marsupials - kangaroo, placental mammals - dogs?
Where does the umbilical cord attach in mammals?
What is the navel and placenta?
What is the purpose of the placenta?
What is delivering nutrients and food and removing waste to/from the embryo?