CK 1.1 Explain why the cell is considered a living system and responsible for the continuity and diversity of life. How tree species coordinate mast years is still somewhat of a mystery, but this “synchrony” is probably aided by some combination of chemical signals passed through the air or through underground root/fungal connections and weather cues. Not all symbiosis is mutualistic! Some trees produce compounds that drive away insects. Classic editor History Comments Share
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