Bryophytes (nonvascular plants) are a plant group characterized by lacking vascular tissues. They include the mosses, th..
A running water environment offers numerous microhabitats for many types of animals. Similar to plants, animals in lotic..
This tutorial describes the sigmoid curve, annual plant growth, tree growth, human growth, and insect growth as the grow..
The movement of molecules (specifically, water and solutes) is vital to the understanding of plant processes. This tuto..
Plant cells have plastids essential in photosynthesis. They also have an additional layer called cell wall on their cell..
According to Charles Darwin's theory of natural selection, preferable genes are favored by nature in the gene pool, and ..
