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chapter 14
science 7th grade
| Question | Answer |
|---|---|
| all birds are ________ | endothermic |
| birds belong to class _____ and have ________ | aves feathers |
| Birds have______ bones that protect them when landing after flight. | lightweight |
| The parts of a bird’s feather are the ____ ____ and ____ ._____ are small bumps on a bird’s skin from which feathers grow. The part of a bird feather that anchors the feather in the skin is the quill | quill, vane, and barb. papille |
| The process a bird uses to oil its feathers to keep them flexible is _____ | preening |
| The process of birds losing their feathers and growing new ones is called | molting |
| The short, fluffy ____ feathers next to a bird’s skin hold warm air close to its body. ____ feathers cover and insulate a bird. | down contour |
| Birds get the energy they need by eating_____ amounts of food | large |
| A ____ is the organ where birds store food. | crop |
| ______ is the process of breathing. | resparation |
| ____ allow the bird to obtain fresh oxygen both when inhaling and exhaling, providing extra oxygen needed for flight. They are also the primary way a bird cools its body, allowing more cool air to enter the body and warm air to leave. | airsacs |
| The____ is the food reserve in a bird egg. The________ or ___ _____ is the liquid environment the embryo lives in. | albumen, or egg white |
| Birds care for their eggs by ______ them. | incubating |
Created by:
isabellegraf
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