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science test on mammals and birds
endotherm, vertebrate, feathers, four-chambered heart, and shelled eggs
What are 5 characteristics that all birds share?
hollow bones, strong chest muscles, wings, air sacs, and feathers
What are the 5 adaptations that birds have for flight?
contour and down feathers
What are the two types of feathers that birds have?
give shape to birds; help steer and provide balance during flight
What do contour feathers do for a bird?
insulation; keep bird warm
What are down feathers used for in a bird?
What is adapted to quick and efficient eating on a bird?
what does the crop do in a bird?
what does the gizzard do in a bird?
1/4 of its body weight
What amount of a birds body weight does a bird eat each day?
True of False. Birds have teeth.
provide additional storage of air
What do air sacs do for flying in a bird?
True of False. There is mixing of blood in a bird's heart.
brain, eyes, hearing
What are the 3 things that are well developed in a bird?
What type of fertilization does a bird have?
close to the body temperature of the adult bird
At what temperature will bird eggs develop?
Fill in the blanks. Parents ____ and _____ young birds.
claws, bills, and legs
In addition to adaptations for flight, what are three other adaptations birds have for living in diverse environments?
pollinate flowers, eat pest animals, are food for animals, provide bedding/clothing, and carry the seeds of plants to new places
List 5 reasons why birds are important to life on earth?
How many chambers does a birds heart have?
it helps the bird feed quickly and efficiently
Why is the shape of a bird's beak important?
an endothermic vertebrate with feathers and a four chambered heart
large feathers that give shape to a bird's body and help with flying
feathers that trap heat and keep a bird warm
material that helps to keep something warm
hollow, lightweight, and strong
Fill in the blanks. Bird's bones are _______, _______, and ________.
MAKE SURE TO BE READY FOR A COMPARE AND CONTRAST QUESTION. IT MIGHT BE BETWEEN BIRDS AND MAMMALS. MAKE SURE YOU KNOW ENOUGH INFORMATION TO BE ABLE TO DO THAT.
endothermic vertebrate with a four chambered heart and skin covered with hair or fur
strong muscle below the chest that allows a mammal to inhale and exhale
produces milk in female mammals to feed their young
vertebrates, endotherms, hair or fur, four chambered heart, young fed with mother's milk, internal fertilization, teeth, and young are born alive
What are 8 characteristics that most mammals share?
have/had fur or hair some point in their life
What is true about fur and hair for mammals?
What does fur and hair provide on a mammal?
insulates the body and conserves heat
What two things does fat do for a mammal?
incisors, canines, premolars, and molars
What are the four different shapes of teeth on a mammal?
biting and cutting food
What are incisors used for?
tearing into food
What are canines used for?
grinding and shredding food
What are premolars and molars used for?
huge, moist surface area for gas exchange
brain, sight, and smell
What are 3 things that are well developed in a mammal?
What is movement controlled by in a mammal?
Fill in the blanks. Mammals have ________, ________ movement.
What do mammals feed their young with?
inside the mother's body
Where do the majority of young mammals develop?
Where is the milk produced in a mammal?
True or False. Some mammals lay shelled eggs.
they stay together for an extended time
What is generally true between young mammals and their parents?
Fill in the blank. The nervous system in the mammal is used to direct and coordinate _________ movement.
Fill in the blank. In general, the larger the placental mammal, the longer the ____________ period.
what substance passes from baby to mother through the placenta?
food, oxygen, and water
what three substances pass from mother to baby through the placenta?
an organ in pregnant female mammals that passes materials between the mother and the developing embryo
What is the placenta?
they develop inside their mother's body until its body systems can function independently
How is development different for the placental mammals compared to the other two?
the length of time between fertilization and birth/pregnancy
What is a gestation period?
the young usually develop in a pouch on their mother's body
What is unique to marsupial birth and development?
Is parental care for young exhibited by the spiny anteater and the duck billed platypus?
they lay eggs
What is the common characteristic the spiny anteater and the duck billed platypus share?
the spiny anteater and the duck billed platypus
Name two animals that are classified into the group of monotremes?
monotremes, marsupials, and placental mammals
All mammals are classified into what three groups?
how their young develop
On what basis is a mammal placed into the three mammal groups?
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