Which of the following statements regarding thermodynamics is false? 1. Thermodynamics is the study of energy transformations that occur in a collection of matter.
2. A single cell or the planet Earth could be a thermodynamic system.
3. An automobile engine is a closed system because it does not exchange energy and matter with its surroundings.
4. An open system exchanges both energy and matter with its surroundings.

Ithink the dna sequences may vary but the amino acid sequences are identical. 

The return of the wolf to yellowstone national park will probably affect the bird population to some degree, not significantly. while wolves will hunt birds when necessary, they prefer to hunt larger prey. the bird population will most likely only be affected when hunting is scarce for the wolves. birds of prey will also probably not be affected as much as other birds who spend more time on the ground hunting for food as the tend to spend more time in the air or in trees since they do not need to stay on the ground for long due to the nature of the way they hunt.