The Use of a Single Token to Direct a Parse

question 44

Multiple Choice

The use of a single token to direct a parse is called single-symbol ____.

• A) interpretation
• B) prediction
• C) directives
• D) lookahead

---

Definitions:

Ecological Niche

The role and position a species has in its environment, including all of its interactions with the biotic and abiotic factors.

Trophic Level

The position an organism occupies in a food chain, defined by the number of steps it is from the primary source of energy.

Community Structure

The composition and arrangement of the biotic component in a particular area, often considering the diversity and abundance of species.

Species Richness

The number of species in a community.