Which of these is NOT a factor of intelligence?
Clever Han's secret was uncovered by a method that is now called
Which detail supports the central idea that measruing animal intelligence is difficult?
Wild animals
Because the lives of animals are so different from the lives of people
Something that has complexity
If the results of ten tests show inconsistency
A phenomenon is
If a pet has an aptitude for doing a trick, it means the pet
If you attribute sadness to a pet, you
Expalin why being trainable and able to perform tricks doesn't prove tha an animal is intelligent.

Give three factors of intellingence that might be measurable or observable in animals.
