science
posted by da silva .
Amniote vertebrates are generally classified into three orders: Reptilia, Ayes (birds), and Mammalia. Of the following, which group of three animals contains one member of each order?
ostrich, American robin, Norway rat
Beluga whale, blackfooted ferret, box turtle
timber rattlesnake, fence lizard, leopard
African lion, sea otter, herring gull
house sparrow, garter snake, African elephant

You have listed five groups of three species.
The #1 group of three contains two birds
The #2 and #3 groups contain no birds
The #4 group contains no reptiles
What is left?
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