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7th Science 8
Ch 8
| Question | Answer |
|---|---|
| Feathers and bills are both made of what substance | keratin |
| A hummingbird remaining stationary in the air is engaging in | hovering |
| Identify the nutrient-rich fluid that feeds an unhatched chick | yolk |
| What is the region of an egg where the embryo develops | germinal spot |
| Using thermals to gain altitude without expending energy is called | soaring |
| What is the outermost shell of an egg made of | calcium carbonate |
| Whippoorwills, which catch insects in flight, have which type of bill | gaping |
| To allow chicks to develop properly, eggs must be kept warm through | incubation |
| Which type of flight allows birds to coast downhill | gliding |
| Songbirds, with their three forward toes and one hind toe, have what type of feet | perching |
| Colors, patterns and marking that are characteristic of a specific bird species are known as | field marks |
| Which type of chicks are featherless and helpless when they hatch | altricial |
| Which group of birds does not provide any parental care for their young | megapodes |
| What is the fastest flying bird | peregrine falcon |
| birds that sit on their eggs lose feathers from their ?? to transfer hear to their eggs more effectively | brood patch |
| List the six categories of birds used by birdwatchers | perching birds, birds of prey, water birds, game birds, flightless birds, tropical birds |
| List the six characteristics common to all members of class Aves, both living and extinct | bipedal, warm-blooded, vertebrates, feathers, scaly legs, wings |
| produces oil that birds spread over their feathers | preen gland |
| strong feathers found on a bird's body, wings and tail | contour |
| retractable group of feathers supported by a bird's thumb bone | alula |
| a ridge on the sternum | keel |
| produces sound without vocal cords | syrinx |
| feathers extending from a bird's hand to the tip of its wing | primary flight |
| used to raise the wings | pectoralis minor |
| the wing bone to which the major flight muscles connect | humerus |
| a food storage sac in a bird's esophagus | crop |
| soft, fluffy feathers found close to a bird's body | down |
| used to grind food and make it more easily absorbed | gizzard |
| Many birds have ? vision, which allows each of their eyes to see a different portion of the world around them. | monocular |
| Migration routes followed year after year are known as | flyways |
| Birds are born with a built-in knowledge called | instinct |
| Birds perform this type of migration when they migrate relatively short distances by moving up and down a mountain | altitudinal |
| in an activity called ? smaller birds will harass a larger birds | mobbing |
| Many birds practice ? A a type of bathing that does not use water | dusting |
| Birds use ants to clean their plumage in an activity called | anting |
Created by:
Harrison83
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