Assume that the alleles A (dominant) and a (recessive) show a maternal effect mode of inheritance. In a cross between an Aa female and an aa male, what would be the phenotypes of the progeny?

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#Question id: 10822

#XL - T Zoology

When two organisms attempt to utilize the same resource, the result is:

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#Question id: 10824

#XL - T Zoology

Interspecific competition has been demonstrated experimentally in

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#Question id: 10825

#XL - T Zoology

What are beltian bodies?

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#Question id: 10881

#XL - R Botany

In deep water, which of the following abiotic factors would most limit primary productivity?

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#Question id: 10885

#XL - R Botany

In a field experiment, autotrophs are provided a 14C-labelled carbon compound for photosynthesis. Radioactivity (14C) levels were then monitored at regular intervals in all the trophic levels. In which ecosystem is the radioactivity likely to be detected in longer time at the higher trophic level?

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#Question id: 10889

#XL - R Botany

Which of the following ecosystem that is lower Productivity/Biomass ratios and energy transfer rates to higher trophic levels are slower