I just found this by searching for "mushroom diagram".
Answer:
When someone is openly getting bullied and pushed at, but no one helps
Explanation:
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Homeostasis is essential because it maintains internal stability
The earthworm has a closed circulatory system. An earthwormcirculates blood exclusively through vessels. There are three main vessels that supply the blood to organs within the earthworm. These vessels are the aortic arches, dorsal blood vessels, and ventral blood vessel