Plants are characterized by having alternation of generations in their life cycles. This tutorial is a review of plant m..
Planktons are microscopic organisms that live suspended in aquatic habitats. There are two groups: the phytoplanktons an..
The body is comprised of different elements with hydrogen, oxygen, carbon, and nitrogen as the major four. This tutorial..
The hominid family diversified from the apes around 6 to 8 million years ago. Since then, the evolutionary path has prov..
Learn about community patterns and the ecological factors influencing these patterns. Revisit some of the ecosystems you..
This study guide tackles plant roots in greater detail. It delves into the development of plant roots, the root structur..
