An Illustrated Guide To Vet Med Term
An Illustrated Guide To Vet Med Term
4th Edition
ISBN: 9781305465763
Author: ROMICH
Publisher: Cengage
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The Problem:

Bean beetles, Callosobruchus maculatus, get their lifetime nutrition from the bean seeds (family Fabaceae) on which their mother lays her eggs. The specific bean on which each egg is laid determines the future success of the larva that develops from that egg. Choosing where to lay an egg is the most important decision a female bean beetle will make for her offspring, yet even within one bean species the seeds available may be very different in quality. Seeds vary in size (even if from the same plant), so the amount of resource available to larvae on different beans will not be the same. Seed mass may vary by as much as 50% among mung beans purchased in a local store, a species on which Callosobruchus develops normally and may complete its lifecycle.

What alternate hypothesis could be posed given the data described in The Problem?

   

Beetles are not selective in laying eggs on surfaces

   

Bean quality is an important factor in future success of beetle larva.

   

Bean size has nothing to do with larva success

   

Larvae will not succeed on a species of bean with a large variation in mass

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