Explain how humans obtain the energy and matter they need in order to survive?

We eat and drink to obtain the energy and matter we use to survive

We consume nutrients through the foods we eat, and the things we drink, but we also get nutrients from the sun. Depending on what you eat helps your body obtain the vitamins and calcium your body needs to survive. It is found that the more orange juice you drink the stronger you bones in your body get, yet orange juice is acidic, so it eats away at the enamel on your teeth. Every solution for a healthy body to help in survive depends on the persons body type.  Hope I helped, If so, can I get a heart? :D

They both have rock surfaces

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.