I'd say that the answer is b.
Three different types of inks are used in this experiment. The ink are black, red and green in colour. During the course of the experiment, the black ink changes colour from light blue to dark blue and then to red. The red ink changes color from red to pink. The green ink changes colour from dark blue to green and then to yellow.
The hemi
metabolism<span> indicates the three distinct
stages of the life cycle of some insects: the egg, nymph, and the adult stage,
or imago. It has no pupal stage just like the complete metamorphosis that
undergoes pupal stage before turning into adult. Insects that undergo hemi metabolous metamorphosis go through gradual changes; develop from
eggs into nymphs sometimes called larvae by some entomologists, that are
similar in shape to the adults. You can
distinguish the nymphs from the adults by looking for wings. Wing buds
or wing pads may be present in late stage nymphs, but they are fixed in place
against the body and are non-functional compared to the adults whose wings are
fully developed. </span>
The answer is C. The energy of the acacia tree is passed on to the impala.
