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    General Biology

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    How many vertebrae does a frog have?
    A. 9
    B. 12
    C. 15
    D. 21

    How many chambers does a frog's heart have?
    A. 3
    B. 4
    C. 5
    D. 6

    How long does the larval stage of an amphibian last?
    A. several weeks to 1 year
    B. 24 hours
    C. exactly 21 days
    D. 9 months

    How many toes are on the front feet of a frog?
    A. 2
    B. 3
    C. 4
    D. 5

    The front plates covering the upper shell.
    A. Central plates
    B. Pigal plates
    C. Neutral plates
    D. Nucal plates

    Another name for the lower shell.
    A. plastron
    B. carapace
    C. scute
    D. head

    Another name for upper shell.
    A. plastron
    B. carapace
    C. scute
    D. head

    Males have a greater number of ________ vertebrae
    A. Caudal
    B. Sacral
    C. Thoracocolumber
    D. Cervical

    Used for swimming.
    A. carapace
    B. tail
    C. front limbs
    D. hind limbs

    Use for steering.
    A. claw
    B. front limbs
    C. head
    D. hind limbs

    Which of the following is NOT true concerning altricial birds?
    A. amniotic egg
    B. helpless at birth
    C. feathered at birth
    D. featherless at birth

    Birds form an important symbiosis (relationship) with
    A. mushrooms
    B. rats
    C. plants
    D. bacteria

    Forewing bone
    A. scapula
    B. tibula
    C. clavicle
    D. humerus

    Which of the following is NOT an adaptation for flight?
    A. feathers
    B. hollow bones
    C. keeled sterna
    D. fused collar bone
    E. all of these are adaptations

    Archaeopteryx is
    A. a modern yellow dove
    B. link between birds and reptiles
    C. a flying dinosaur
    D. a figment of my imagination.

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    https://brainmass.com/biology/animal-biology/44020

    Solution Preview

    How many vertebrae does a frog have?

    B. 12

    How many chambers does a frog's heart have?

    A. 3

    How long does the larval stage of an amphibian last?

    A. several weeks to 1 year

    How many toes are on the ...

    $2.19