Decomposer Definition A decomposer is an organism that decomposes, or breaks down, organic material such as the remains of dead organisms. Decomposers include bacteria and fungi. These organisms carry out …
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Conservation Biology Definition Conservation biology is a discipline that focuses on protecting and restoring the Earth’s biodiversity. It is a mission- or crisis-oriented science, where quick …
Definition The water cycle or hydrologic cycle describes the complex systems that allow water to move across the Earth and atmosphere. The most basic step …
Vascular Plant Definition A vascular plant is any one of a number of plants with specialized vascular tissue. The two types of vascular tissue, xylem and phloem, are responsible for moving water, …
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What is Tree Bark? Bark, often “tree bark” in botany, means the outer covering of woody plants. Woody plants, unlike herbaceous plants, create an intricate framework of cells …
Temperate Deciduous Forest Definition A temperate deciduous forest is a biome that has many deciduous trees which drop their leaves in the fall. These forests are also known as …
Stoma Definition In plants, a stoma is a tiny pore in the surface of a leaf that is used for gas exchange. Most leaves are covered in …
Stamen Definition A stamen is the male reproductive organ of flowering plant species that produces pollen. The stamen is comprised of an anther, which is connected to a filament (pictured below). …
Shrub Definition A shrub is a woody plant that is typically less than 8 meters tall. Unlike a tree, shrubs have several stems and vary widely in …
Saprophyte Definition A saprophyte, also referred to as a saprobe or saprotroph, is any organism that feeds and grows on dead organisms. This means that a saprophyte …