Are giraffes heterotrophs? Why?
Describe the effect of shivering and getting goosebumps on a person's body. In your answer, you must use this word correctly: homeostasis
Which of these would be considered autotrophs?
Which of these is not considered by scientists to be vital for life to exist on earth?

How would a scientist study these bones to find out whether to classify them as the bones of a cat or a dog?
https://vet.ucalgary.ca/community/learning-animal-health/anatomy/dogs-cats
https://courses.lumenlearning.com/suny-oneonta-comparativeanatomy/chapter/chapter-1/