The answer is *drum roll*
B. Eggs of flies in the surroundings!!!!
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The term that refers to all areas of Earth where all life exists is call the Biosphere
500 million for the first picture and for the text i guess it evolved physical reproductive body cells and parts that makes sexual reproduction change as itself as well as birth due to not only human nature but man made things as well, example: hospitals, medicine, chemicals, etc.
Answer:
b
Explanation:
animals need energy to survive basically to breakdown materials too
A change in their food, from trees to grass in the Great Plains.
