Which of the following best explains how the fossil record provides evidence that evolution has occurred? a it indicates that forms of life existed on earth at least 3.5 billion years ago. b it indicates the exact cause of structural and behavioral adaptations of organisms. c it shows how the embryos of many different vertebrate species are very similar. d it shows that the form and structure of groups of organisms have changed over time.

enhanced global partnerships and exploration capabilities may advance international preparedness for protecting the earth from catastrophic events such as some asteroid strikes, advancing collaborative research on space weather and protecting spacecraft by developing new means for space debris removal.

c. heat from the poles back down towards the equator.

the most common type of reef is the fringing reef. this type of reef grows seaward directly from the shore. they form borders along the shoreline and surrounding islands.