Answer:
Central canal
Explanation:
running through the osteon
central canal or haversian canal,contains blood vessels,nerves and lymphatic vessels.
Fossils best demonstrate what ancient organisms may have looked like when they lived long ago. Without fossils, knowing such things would be nearly impossible.
Such traits listed may help them reproduce. For example, female peacocks tend to breed with males with certain types of tail feathers. While the feather themselves don’t guarantee survival, they certainly increase the chances of their genes being passed down. This can also be seen in humans. Certain characteristics in humans can be considered attractive. While these traits don’t necessarily increase the chances of survival, they do increase the chances of finding a mate and eventually having kids. This results in the dominant traits getting passed down.
An ecosystem is a community of biological organisms that interact within their overall environment. One level up from this is a biome which is a very large geographical area which consists of very particular biological communities that share a similar environment and ecosystem.
