How does the law of conservation of energy apply to machines?

(a) machines create energy from scratch.
(b) machines consume energy until no energy remains.
(c) energy transferred to a machine equals energy transferred from it.
(d) engineers break the law of conservation of energy by using machines.

Match the following terms and definitions. 1. species that are adapted to live in equilibrium at carrying capacity population density 2. population growth that reaches equilibrium and carrying capacity population 3. death rate mortality 4. birth rate k-selected 5. a group of interacting individuals of the same species within the same geographic area natality 6. the number of organisms living in a particular area logistic growth