posted by da silva on .
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, black-footed 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?