'Aphid wheat curl mite' presentation slideshows

Module 4 - Get to the Cause! Biotic vs. Abiotic

Module 4 - Get to the Cause! Biotic vs. Abiotic. Delineate time - development of damage Progressive spread of damage on a plant or to other plants suggests a biotic or living cause Damage that does not spread on a plant or to other plants suggests the cause is abiotic or nonliving

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