a metacarpal fracture can occur in any sport although the highest risk is in those sports where there is a risk of a high energy impact occurring to the athlete s hand classically this occurs in boxers and other athletes involved in the martial arts
ï· fossils provide clues about both abiotic and biotic factors of past ecosystems. ï· fossils provide evidence about the changes in climate and temperature of past. ecosystems. ï· fossils can give us clues about how organisms interacted with one another.
Evidence for Evolution. Vestigial structures are considered one of the pieces supporting the theory of evolution, which states that organisms change over time. To explain why vestigial structures are important to the theory of evolution, let's use the vestigial structure of the whale to illustrate this concept. By looking at fossils, scientists have found several whale ancestors that suggest whales once lived on land over 50 million years ago.