Answer:
D Ingredients
Explanation:
Ingredients are mixed and cause reactions
A Organism that would share the most characteristics is A. Organisms in the same order.
What are the major levels of organization, from smallest to largest, that ecologists commonly study? The 6 different levels of organization that ecologists commonly study are species, population, community, ecosystem, and biome.
Less expensive source of energy is available.
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The fossil shows evidence of how animals lived on Earth in the past and shows history about animals that may be extinct now or have evolved since then, which would show development in the animal in the fossil.
