How many vertebrae does a frog have?
How many chambers does a frog's heart have?
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?
The front plates covering the upper shell.
Another name for the lower shell.
Another name for upper shell.
Males have a greater number of ________ vertebrae
Used for swimming.
Use for steering.
Which of the following is NOT true concerning altricial birds?
B.helpless at birth
C.feathered at birth
D.featherless at birth
Birds form an important symbiosis (relationship) with
Which of the following is NOT an adaptation for flight?
D.fused collar bone
E.all of these are adaptations
A.a modern yellow dove
B.link between birds and reptiles
C.a flying dinosaur
D.a figment of my imagination.
This question was answered on: Sep 16, 2020
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