In Xenopus, the mesoderm moves in through the blastopore by rolling around the dorsal lip in a process called:

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#Question id: 10743

#Unit 10. Ecological Principles

 Darlington proposed that

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#Question id: 10295

#Unit 6. System Physiology – Plant

Reactions of the pentose phosphate pathway regeneration run six turns of this cycle, what will be predict after that?

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#Question id: 4963

#Unit 11. Evolution and Behavior

Which free-living cells were the earliest contributors to the formation of Earthʹs oxidizing atmosphere?

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#Question id: 12103

#Unit 10. Ecological Principles

Which of the following is a good description of an ecological niche? 

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#Question id: 10817

#Unit 10. Ecological Principles

Removal of a __________________ from a community affects community structure significantly.