Plant enemies/defenses

Identify the type of plant enemy or defense

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Last updated: December 3, 2024

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First submitted	December 3, 2024
Times taken	3
Average score	80.0%
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Hint	Answer
Insects/mammals/birds/etc. Eat essential plant parts	Herbivores
Organisms that use toxins, cell wall degrading enzymes, or some other mechanisms to feed off a plant and promote their own growth	Pathogens
Defense against herbivory. Mechanical. Modified leaf	Spine
Defense against herbivory. Mechanical. Modified stem	Thorn
Defense against herbivory. Mechanical. Outgrowth of epidermis	Prickle

Hint	Answer
Defense against herbivory. Can be secondary metabolites, harm/kill herbivores, or taste bad	Toxins
Defense against pathogen. Proteins on plasma membrane detect molecules on pathogens. Cause low level, non specific reactions. Might trigger HR and SAR reactions	Basal Defenses
Cells around infection die to limit spread. Also known as apoptosis	Hypersensitive Reactions
Produce antimicrobial chemicals, still produced post-infection. Helps the plant "remember" pathogen. Can be airborne and spread to surrounding plants.	Systemic Acquired Resistance
Small RNA molecules block translation of viral proteins	RNAi

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