For items 11 to 14: A study was-conducted to investigate the interactions between California sheephead, macroalgae, and urchins. The output path diagram of the study is given below: shehead biomass urchin densty feshy algal kelp stipe density cover crustose coralline ge For items 12 to 14: Identify the type of effect component that exists between each pair of variables: 13. urchin density and crustose coralline algae O A. direct O B. indirect O C. spurious O D. unanalyzed

Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN:9781305073951
Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Chapter21: Protists- The Simplest Eukaryotes
Section: Chapter Questions
Problem 14SQ
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13
For items 11 to 14: A study was-conducted to investigate the interactions between California sheephead, macroalgae, and urchins. The
output path diagram of the study is given below:
sheehead
biomass
urchin density
kelp stipe
fleshy algal
density
cover
crustose
coralline age
For items 12 to 14: Identify the type of effect component that exists between each pair of variables:
13. urchin density and crustose coralline algae
O A. direct
O B. indirect
•O C. spurious
D. unanalyzed
Transcribed Image Text:For items 11 to 14: A study was-conducted to investigate the interactions between California sheephead, macroalgae, and urchins. The output path diagram of the study is given below: sheehead biomass urchin density kelp stipe fleshy algal density cover crustose coralline age For items 12 to 14: Identify the type of effect component that exists between each pair of variables: 13. urchin density and crustose coralline algae O A. direct O B. indirect •O C. spurious D. unanalyzed
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