Classification

1) Use the key above to describe four features of dogs.

2) An animal was found that was seating on a nest in the Antarctic. Its body temperature was measured by infrared scanning at 25 oC. The remains of another animal of its kind is shown on the right. Identify the type of animal.

 

 
3) An animal was found that was seating on a nest in an Alpine region. Its body temperature was measured by infrared scanning at 0 oC. The remains of another animal of its kind is shown on the right. Identify the type of animal.