is the accumulation of genetic changes over time and can include two types: the founder effect and the bottleneck effect. Genetic drift is more precisely termed […]
Synapse ( or neuronal junction) is the site of transmission of nerve impulse between two neurons. The synapse along with its neurotransmitters acts as a physiological […]
Amphibians have a wide variety of features that allow them to be both aquatic and terrestrial. Amphibians are widely terrestrial in nature. In fact the word […]
The blastopore is the opening into the gastrulated embryo and the archenteron is the cavity inside which develops into the alimentary canal or digestive system. Animal […]