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.
There are numerous types of fossil evidence that have been left behind by organisms. Some of the types of fossil evidence commonly used by scientists include trace fossils, molds and casts, replacement fossils, petrified fossils, amber and original material fossils. A trace fossil is any indirect evidence left by an organisms. Examples of trace fossils include footprints, burrows and fossilized feces that have been left behind by organisms. They simply leave material evidence that the organisms existed rather than evidence of the actual structure of the organism.