Miss Estruch

A phloem-sap-feeder polymerises some of these sugarsinto polysaccharides which are passed out of its anus as ‘honey dew’.The secondproblem is that phloem sap has a low concentration ofamino acids. Phloem-sap-feeding insects rely on bacteria in their guts toproduce amino acids. ... Q3. (a) 1. Used to compare effect of other treatments / as a ... ................
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