Females of many insect species, including honeybee queens, can store gametes shed by their mating partners in ________.

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#Question id: 12017

#Unit 10. Ecological Principles

All of the following allow hermaphroditic animal species to avoid inbreeding EXCEPT

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#Question id: 12018

#Unit 10. Ecological Principles

The amount of energy entering a food chain depends on the

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#Question id: 12019

#Unit 10. Ecological Principles

Chickadees were given an opportunity to store seeds in 72 possible storage sites consisting of holes drilled in small trees that had been placed in an aviary. Typically, the seeds were placed in only 4 or 5 storage sites. The chickadees were then removed from the aviary, the seeds removed from the storage sites, and each hole covered. A day later, the chickadees were returned to the aviary and they spent nearly 5 times as long pulling at the covers on storage sites than at the covers on sites where they had not stored food. This experiment indicates that chickadees

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#Question id: 12020

#Unit 10. Ecological Principles

Bird species X stores seeds in a large number of separate caches in the summer and then locates the caches in the winter. Compared with a bird species that does not store seeds, species X can be expected to have a proportionately larger

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#Question id: 12021

#Unit 7. System Physiology – Animal

Nutrient-rich blood from the intestine is carried through the ________ to the liver.

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#Question id: 12022

#Unit 7. System Physiology – Animal

The bile salts ________.