Characteristics
Habitat
Circulatory/
Respiratory Systems
Adaptions/
Evolution
Mating Systems
100
Name three characteristics of birds
Wings, feathers, beak, eggs, lightweight skeleton, four-chambered heart, warm blooded (any three)
100
Why do birds need specific habitats?
To survive and thrive in ecosystems
100
How many chambers does a bird's heart have?
4
100
What type of teeth and claws did most birds retain?
Reptilian
100
What is the most common type of mating in birds?
monogamy
200
What are birds' feathers made of?
Keratin
200
Name two factors that determine the type of habitat a bird needs
food preferences, foraging strategies, nest site requirements (choose two)
200
What is thermoregulation?
maintaining normal body temperature
200
What do birds' air sacs connect to?
Lungs
200
How many main types of mating are there?
four
300
What are tomia?
sharp ridges along the edges of birds' beaks
300
What do certain area-sensitive birds require in a habitat?
large tracts of woodland or grassland
300
What does the left atrium do?
It receives oxygenated blood from the body
300
Name three different types of beaks
nutcracker, bill, drill, spear, hooked, curved, straw, shovel, sieve
300
In what situation is polygyny common?
patchy environments with inconsistent prospective mates
400
Name two of the four social characteristics mentioned
visual signals, calls, songs, usually monogamous
400
Name three types of "main habitats"
atlantic & gulf shores, eastern forests, grasslands, suburban/urban areas, wetlands
400
How is the avian respiratory system different from others? (Hint: this answer has two parts)
birds have small lungs & nine air sacs
400
Name three of birds' adaptions to the environment
wings, beak, body, air sacs, brain, eyesight
400
Name the two types of polyandry
classic and cooperative
500
What are birds' eggs made of? (Hint: there are two parts to this answer)
calcium, hardened mucus
500
Name two types of Atlantic & Gulf Shores habitats
Bays, Estuaries, Beaches, Dunes, Gulf/Rocky Shores, Open Ocean
500
Why are birds' current heart better than their former two chambered one? (Hint: this answer has two parts)
Birds need more power for flight and their quick heartbeat
500
What is the earliest known bird and from which clade of dinosaur is it developed? (pronunciation doesn't count)
Archaeopteryx lithographica from Paraves clade (theropoda also acceptable)
500
Name all types of mating systems
monogamy, polygyny, polyandry, promiscuity