(a)[1]
An animal storage polysaccharide made of $1,4$ linked $\alpha$-glucose chains, with $1,6$ linkages forming branches.
(b)[1]
A plant adapted to survive in places where water is scarce.
(c)[1]
Any cell with one full set of chromosomes.
(d)[1]
The trophic level that photosynthetic organisms are in.
(e)[1]
A bacterial process in which atmospheric nitrogen is converted into nitrogenous compounds that plants can use directly.