Everything in Earth's system can be placed into one of four major subsystems: land, water, living things, or air. These four subsystems are called “spheres.” Specifically, they are the lithosphere (land), hydrosphere (water), biosphere (living things), and atmosphere (air)...
I hope this helps you with biology...
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That right there is a line graph
A Light Year is a mesurement of 5.879e+12 miles Compressed into one unit of mesurement or a "Light Year"
Light Years are used in the measurement of the universe because, to put it simply, SPACE IS BIG! The use of Light Years (5.879e+12 miles) Breaks the observable universe down into manageable chunks for astrologists.
Answer:
A corridor that is attached or connected to a large patch.
Explanation:
Corridors in biology can either be within an aquatic or terrestrial environment. The movement of animals is mostly between these two corridors, or corridors within the main ones. Because corridors are very long and continuous strips of land or water with much vegetation or reefs, there are numerous amounts of species. These corridors are meant to aid movement of animals, so it is only natural that there would be a large amount of them at the end of a corridor.