What Characteristic of the Parasitic Witchweed (Striga)provides Insights into Its

question 88

Multiple Choice

What characteristic of the parasitic witchweed (Striga) provides insights into its evolutionary history?

• A) It is a holoparasite and cannot conduct photosynthesis.
• B) Its range is in Africa.
• C) It attacks corn,which humans have historically modified through breeding.
• D) It responds to a molecule similar to the one that attracts mycorrhizal fungi to plants.
• E) None of the above

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Definitions:

Tangible Help

Practical assistance provided in the form of goods, services, or physical actions, as opposed to advice or emotional support.

Prosocial Behavior

Positive actions aimed at benefiting others, including behaviors like helping, sharing, donating, cooperating, and volunteering.

Voluntary Behavior

Actions that are performed at an individual's discretion or will, without external compulsion.

Social Reciprocity

The mutual exchange of social behaviors, gestures, or conversations that are fundamental to social interaction and building relationships.