When the Trunk or Limb of a Tree Provides the Substrate

question 16

Multiple Choice

When the trunk or limb of a tree provides the substrate on which an epiphytic orchid grows,the arrangement benefits the orchid,which gets nutrients from the air and moisture from aerial roots,while the tree is unaffected.The relationship is referred to as

• A)amensalism.
• B)commensalism.
• C)competition.
• D)parasitoidism.

Understand the role of companion cells in plant tissues.

Recognize and describe the characteristics of supportive plant tissues such as fibers and sclereids.

Describe the function and structure of guard cells in plants.

Understand the role and structure of tracheids in xylem tissue.

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Definitions:

Disinhibition

A decrease in restraint over one's actions or emotions, often leading to impulsive or inappropriate behavior.

Dishabituation

The restoration of a response that has undergone habituation, typically due to the presentation of a novel stimulus.

Neurotransmitter Release

The process by which neurotransmitters are secreted from neural synapses, facilitating communication between neurons.

Dishabituation

is the renewed response to a stimulus after habituation has occurred, typically due to a novel stimulus interrupting the habituation process.