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How many chambers does a frog''s heart have

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Reference no: EM13894026

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.

Reference no: EM13894026

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