Question

Part A
Which is most likely the meaning of the word associations in paragraph 4 of the passage?
A. ecological relationships
B. professional groups
C. chemical bonds
D. mental links
Part B

Which definition best verifies the answer to Part A?

association /uh so see AY shun/ n. 1. an organized group of people with a common goal or interest 2. biology: an important connection between species an ecological community 3. psychology: a mental connection between concepts or sensations 4. chemistry: a loosely bound group of atoms or molecules
A. definition 1
B. definition 2
C. definition 3
D. definition 4

Answer 1

Part A: A (ecological relationships)

Part B: B (definition 2 — biology: an important connection between species; an ecological community)

Reason: In paragraph 4 the word “associations” refers to relationships among species/ecological groupings, which corresponds to the biological definition.