Some Nematode Worms Consume Plant Juices from the Roots of Plants

question 20

Multiple Choice

Some nematode worms consume plant juices from the roots of plants and are economically important agricultural pests. Some fungi are usually decomposers of plant material, but some trap and kill nematodes at times. Arthrobotrys traps and kills nematodes, especially when they lack nitrogen sources. These two facts suggest that farmers could find Arthrobotrys an important tool in combating nematode infestations. Which of the following research questions would make a good starting point for developing such a defense against nematode pests?

• A) Does nitrogen fertilization of crops affect the likelihood that Arthrobotrys will trap and kill nematodes?
• B) Do nitrogen-fixing bacteria provide nitrogen to the fungi?
• C) What is the evolutionarily oldest method of trapping nematodes?
• D) What mechanisms do nematodes have that could allow them to escape from Arthrobotrys?

---

Definitions:

Formal Leadership

Leadership roles that are officially recognized within an organization, characterized by specific responsibilities and authority granted to individuals.

Position Power

The authority and influence an individual holds in an organization due to their rank or role within the hierarchy.

Referent Power

A form of influence that a leader has over their followers based on their charisma and followers' identification with or admiration for them.

Charisma

is a compelling attractiveness or charm that can inspire devotion in others.