Answer: I would go with B. Here’s why: An index fossil is usually easily recognizable, and underwent a wide geographic distribution. What leads me to believe B is the correct answer, is because it’s something that existed “ all over the world”.
How to balance an iduviguals rights with meeting the needs of socity
<span>1. One common interaction between biotic and abiotic components of an ecosystem is photosynthesis.
Sunlight is abiotic (solely energy), and it fuels the synthesis of
sugars and proteins inside plant cells once it is taken up by plant
leaves. </span><span>This process also produces oxygen.
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2. Biotic factor that can affect the size of a population in a specific ecosystem:
<span>Number and kinds of predators in the ecosystem.
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Predator-prey relationships
When the
moose population is high on Isle Royale, the wolves have more food
source from preying on the moose. This supports an increase in the wolf
population.</span>
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3. Temperature
You can change the temperature to freezing it will affect the aquarium because the organisms will not be able to tolerate the new environment if they are species that thrive in warm temperatures.
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