[21-23] Suppose a species of frog has the option of three different prey items: crickets, cockroaches, and ants. Ants are the most abundant in the environment, with a relative abundance of 0.8. The relative abundance of cockroaches is 0.2, and the abundance of crickets is 0.1. A dietary study of frogs determines that crickets make up 50% of the diet of these amphibians, cockroaches are 40% of the diet, and ants are 10% of the diet. 21. What is the Manly-Chesson index of prey preference for crickets? Round to the nearest tenth. 22. What is the Manly-Chesson index of prey preference for ants? Round to the nearest hundredth. 23. The preference for ants is e. negative f. positive g. neutral

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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[21-23] Suppose a species of frog has the option of three different prey items: crickets,
cockroaches, and ants. Ants are the most abundant in the environment, with a relative
abundance of 0.8. The relative abundance of cockroaches is 0.2, and the abundance of crickets
is 0.1. A dietary study of frogs determines that crickets make up 50% of the diet of these
amphibians, cockroaches are 40% of the diet, and ants are 10% of the diet.
21. What is the Manly-Chesson index of prey preference for crickets? Round to the
nearest tenth.
22. What is the Manly-Chesson index of prey preference for ants? Round to the nearest
hundredth.
23. The preference for ants is
e. negative
f. positive
g. neutral.
Transcribed Image Text:[21-23] Suppose a species of frog has the option of three different prey items: crickets, cockroaches, and ants. Ants are the most abundant in the environment, with a relative abundance of 0.8. The relative abundance of cockroaches is 0.2, and the abundance of crickets is 0.1. A dietary study of frogs determines that crickets make up 50% of the diet of these amphibians, cockroaches are 40% of the diet, and ants are 10% of the diet. 21. What is the Manly-Chesson index of prey preference for crickets? Round to the nearest tenth. 22. What is the Manly-Chesson index of prey preference for ants? Round to the nearest hundredth. 23. The preference for ants is e. negative f. positive g. neutral.
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