The types of organisms can be animals such as otters, birds, oysters, fish, crabs.
The correct answer is - temperature.
We see the stars on the night sky in multiple colors, and the variation in the colors of the stars comes from the differences in temperature. The cooler a star is, the more reddish it appears, the hotter the star is the more blueish or whitish they appear. From cool to hot, the stars can appear in the variations of red, orange, yellow, green, blue/white colors, and it is an easy indicator of the temperature of them.
The meaning of star system is group of hundreds of stars , that form around the same time .
Geographic feature the Silk Road travel all way through is The Mediterranean—- western convergence point of the overland and the maritime trans-Eurasian trade routes. The Mediterranean channeled widespread distribution of Silk Road goods throughout western Eurasia...
