Soon after gastrulation, dorsal ectodermal cells condense and form a tube called the _______________ tube.

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#Question id: 12554

#Unit 10. Ecological Principles

Long-term studies of Belding's ground squirrels show that immigrants move nearly 2 km from where they are born and make up 1 to 8% of the males and 0.7 to 6% of the females in other populations. On an evolutionary scale, why is this significant?

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#Question id: 12555

#Unit 10. Ecological Principles

Demography is the study of

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#Question id: 12556

#Unit 10. Ecological Principles

Natural selection has led to the evolution of diverse natural history strategies, which have in common

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#Question id: 12557

#Unit 10. Ecological Principles

Natural selection involves energetic trade-offs between

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#Question id: 12558

#Unit 10. Ecological Principles

The three basic variables that make up the life history of an organism are

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#Question id: 12559

#Unit 7. System Physiology – Animal

Which part of the renal tubule would have the lowest tubular fluid osmolarity in a patient who has complete lack of antidiuretic hormone due to “central” diabetes insipidus?