26. The evidence in favor of insect pollination of cycads presented in lines 2-4 would be more convincing if which of the following were also true?
Only a small variety of cycad species can be successfully transplanted.
Cycads can sometimes be pollinated by means other than wind or insects.
Insects indigenous to regions to which cycads are transplanted sometimes feed on cycads.
Winds in the areas to which cycads are usually transplanted are similar to winds in cycads native habitats.
The transplantation of cycads from one region to another usually involves the accidental removal and introduction of insects as well.
27. The passage suggests that which of the following is true of scientific investigations of cycad pollination?
They have not yet produced any systematic evidence of wind pollination in cycads.
They have so far confirmed anecdotal reports concerning the wind pollination of cycads.
They have, until recently, produced little evidence in favor of insect pollination in cycads.
They have primarily been carried out using cycads transplanted from their native habitats.
They have usually concentrated on describing the physical characteristics of the cycad reproductive system.
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