Which statement best describes evolution? a. species have changed over time b. traits acquired during a lifetime are passed to offspring c. earths organisms have not changed overtime d. all of earths organisms were formed at the same time

C. would best suit your explanation of evolution

 It has been thought and at times proven that species change over time like dog were originally wolfs but some wolfs discovered that when they waited for humans to be done with there meal they would give the scraps to them and thats just one example of evolution.

Heat is involved in chemical change in two ways; chemical changes either result in heat being added to or removed from an object, and chemical changes require a certain amount of heat before they can take place.