life science chapter 14 Crossword

Where could you see the most marsupials in their natural habitat ?
monkeys, gorillas, and chimpanzees are _________
The process a bird uses to oil its feathers yo keep them flexible is_________
What is a bat?
what is a platypus?
What is a kangaroo?
The part of a bird feather that anchors the feather in the skin is the _______
long, pointed teeth used for tearing are called ________
the process of a bird losing their feathers and growing new ones is called __
What marsupial is native to North America?
The structure that attaches an embryo to the placenta is called _______
under-hair is to fur as ________ is to feathers.
crop is to digestion as air sac is to _______
birds are ______
all mammals produce _______
small bumps on a bird's skin from which feathers grow are called _______
what is the egg white called?
what is the organ where birds store food?
what supplies oxygen to some developing mammals?
what is the protein found in hair?