Proteins and minerals can be derived from various dietary sources. They are essential for the proper growth and developm..
Planktons are microscopic organisms that live suspended in aquatic habitats. There are two groups: the phytoplanktons an..
Humans are capable of only one mode of reproduction, i.e. sexual reproduction. Haploid sex cells (gametes) are produced ..
There are more species of insects than any other species combined. This surely illustrates that insects have the selecti..
Plants are responsible for incredible feats of molecular transformation. Plant processes, such as photosynthesis, photop..
A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal ..