Which definition of evolution would have been most foreign to Charles Darwin during his lifetime? 

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#Question id: 10899

#I Life Science/ Life Sciences Group – I-V

Companion cells transport of photosynthetic products from producing cells in mature leaves to the sieve elements in the minor veins of the leaf. There are at least three different types of companion cells in the minor veins of mature, exporting leaves, All three cell types have dense cytoplasm and abundant mitochondria;

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#Question id: 12575

#SCPH06 I Botany

All of the following are adaptations that permit the camel to be active by day in the desert EXCEPT 

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#Question id: 18214

#SCPH01 Biochemistry

Expressed sequence tags (ESTs) are

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#Question id: 10980

#SCPH28 | Zoology

Sympathetic stimulation of the heart

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#Question id: 18385

#SCPH01 Biochemistry

Oil is a natural product, has many components and is biodegradable, the different components being degraded at different rates but still oil spills are considered as recalciterants because