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WorksheetsMammals basics
Total questions: 20
Worksheet time: 11mins
Mammals are
Vertebrates
Invertebrates
The only really flying mammals are
Bats
Birds
Flying Fish
Flying frogs
This is where most of the marsupials live
China
USA
Africa
Australia
Most mammals are
viviparous
oviparous
ovoviviparous
What does viviparous mean?
born from an egg
born directly from their mother
born from eggs inside the mother
Why are mammals called mammals?
Because they get food by themselves
Because the babies get milk from their mothers mammary glands
Because they need their mother for protection
Because they are born from their mother
Mammals reproduce by
internal fertilization
external fertilization
both, internal and external fertilization
Internal fertilization means that the egg and sperm join
inside of the male's body
inside of the female's body
outside, in the water
All mammals have teeth except for the monotremata which have beak
TRUE
FALSE
What covers the bodies of most mammals?
Hair or fur
Feathers
Rough skin that has scales or plates
Smooth, moist skin that they can breathe through
ALL mammals breathe air using what major organs in the body?
lungs
skin and nose
gills
all of them
Most mammals are viviparous except for
monotremes
marsupials
both, monotremes and marsupials
What of the following mammals are monotremes?
horse
platypus
echidna (anteater)
dog
Check the characteristics of monotremes
lay eggs
hair
mammary glands
beak and cloaca
placenta
Marsupials are mammals that develop their young in a pouch
TRUE
FALSE
Mark the animals that are marsupials
kangaroo
dolphin
koala
tiger
The length of time a mammal grows in the uterus is called
pregnancy or gestation period
placenta
freedom
growing
This structure attaches the fetus to the uterus and provides nourishment during pregnancy
lung
brain
skin
placenta
What of the following animals is NOT a mammal?
human
bat
elephant
dolphin
crocodile
What characteristic is NOT present in mammals
Feathers
Placenta, except for monotremes and marsupials
Tetrapods (4 limbs)
Hair and Specialized teeth
Mammary glands that produce milk for their young
