Primary Succession Occurs When a Community Develops ____________ While Secondary

question 21

Multiple Choice

Primary succession occurs when a community develops ____________ while secondary succession occurs when one ________.

• A) Into a climax community; species replaces another
• B) And replaces another; ecosystem becomes stable
• C) On bare rock; biological community replaces another
• D) And then fails; niche changes
• E) Intraspecific competition; experiences interspecific competition

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Definitions:

RNA Polymerase

An enzyme responsible for synthesizing RNA from a DNA template, playing a crucial role in gene transcription.

Alternative RNA Splicing

A post-transcriptional process in which exons or introns are selectively included in or excluded from a final mRNA transcript, thus allowing a single gene to code for multiple proteins.

Acetyl Groups

Functional groups in organic chemistry that consist of a methyl group single-bonded to a carbonyl. The formula is CH3CO-.