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7th Science 8

Ch 8

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