Humans are capable of only one mode of reproduction, i.e. sexual reproduction. Haploid sex cells (gametes) are produced ..
Molecules move within the cell or from one cell to another through different strategies. Transport may be in the form of..
Human intelligence provided the means to utilize abstract ideas and implement reasoning. This tutorial takes a further l..
This tutorial presents Gregor Mendel's law of dominance. Learn more about this form of inheritance and how it can be pre..
A running water environment offers numerous microhabitats for many types of animals. Similar to plants, animals in lotic..
In plants, growth occurs in meristems, which are the site of repeated cell division of unspecialized cells. These cells ..
