Identify whether each of the following is a biotic or abiotic factor.Bear:
Rock:
Dead log:
Grass:
Sunlight:
Which of the following statements are observations about the photo on the right? Check all that apply.
Identify the interactions as positive, negative, or both.A mudslide wipes out the side of a thriving hill:
A volcano erupts, covering the nearby land with lava:
A forest is rapidly growing new plant life:
Humans remove wolves from a national park to protect surrounding homes:
A dam is built in the middle of a river ecosystem to supply water to a nearby town:
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