Comparative anatomy of a dog and a rabbit
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Comparative Anatomy of a Dog and a Rabbit. Predator/Prey. Commonalities of All Mammals. Have mammary glands Have a single lower jaw Have hair Are endotherms Have a diaphragm Have a four-chambered heart. Dog Characteristics. Smell. Excellent sense of smell. Helps them to sense prey.

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Predator/Prey

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Comparative anatomy of a dog and a rabbit

Comparative Anatomy of a Dog and a Rabbit

Predator/Prey


Commonalities of all mammals

Commonalities of All Mammals

  • Have mammary glands

  • Have a single lower jaw

  • Have hair

  • Are endotherms

  • Have a diaphragm

  • Have a four-chambered heart


Dog characteristics

Dog Characteristics


Smell

Smell

  • Excellent sense of smell. Helps them to sense prey


Predator prey

Eyes

  • Eyes in Front of Head

    • Allows for depth perception


Whiskers

Whiskers

  • Sensitive whiskers

    • Whiskers work with air currents to pinpoint where prey might be

    • Touching whiskers closes the dog’s eye for protection


Eyelids

Eyelids

  • Nictitating membrane

    • acts as third eyelid


Predator prey

Feet

  • Walk on toes at 90° angle

  • Paw pads for protection


Maintaining body temperature

Maintaining Body Temperature

  • Main cooling is from panting


Teeth

Teeth

  • 42 teeth in adult

  • There are four types of teeth.

    • Incisors are the primary biting teeth.

    • The canine teeth bite and tear food.

    • The premolars shear, grind and mash food.

    • Molars are responsible for the most rigorous chewing.


Reproduction

Reproduction

  • Gestation period is 63 days

  • Only goes into heat (estrus) twice a year so can get pregnant only twice a year

  • Has an average of 6-8 babies at a time depending on breed


Rabbit characteristics

Rabbit Characteristics


Smell1

Smell

  • Excellent sense of smell. Helps them to sense predators


Predator prey

Eyes

  • Eyes on sides of head

    • Allows for two fields of vision – looking for predators and escape route simultaneously

    • Poor depth perception


Whiskers1

Whiskers

  • Sensitive whiskers


Eyelids1

Eyelids

  • Nictitating membrane

    • acts as third eyelid


Predator prey

Feet

  • Flat-footed with no

    foot pads

    • Use claws for traction


Maintaining body temperature1

Maintaining Body Temperature

  • Large ears for temperature control and hearing


Teeth1

Teeth

  • Two pairs of incisors in upper jaw. One smaller pair behind the larger pair

  • 28 teeth that grow continuously

  • They have molars and premolars too!


Reproduction1

Reproduction

  • Gestation period is 31 days

  • Does not go into heat (estrus) so can get pregnant at any time

  • Has an average of 6-8 babies at a time depending on breed


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