
Population and community development and structure
Many plants of the forest floor have underground energy-storing organs such as bulbs, corms, or fleshy rhizomes that allow them to grow rapidly and strongly in spring to gain maximum …
Leaf | Definition, Parts, & Function | Britannica
Dec 2, 2025 · The main function of a leaf is to produce food for the plant by photosynthesis. Chlorophyll, the substance that gives plants their characteristic green colour, absorbs light …
Savanna - Flora, Fauna, Ecology | Britannica
Dec 1, 2025 · Savanna plants annually experience a long period in which moisture is inadequate for continued growth. Although the aboveground parts of the shallow-rooted grasses quickly …
Desert - Adaptation, Ecosystems, Communities | Britannica
Nov 26, 2025 · Some plants can absorb dew, which for many is the main water source. Mosses and lichens adopt this strategy, as do some flowering plants, which are sometimes called …
Plant | Definition, Evolution, Diversity, Ecology, & Taxonomy
Nov 21, 2025 · The following article summarizes the morphological, physiological, and ecological features of plants. The principal focus is on structure and function, physiology, life histories, …
Plant - Stem Structure, Function, Types | Britannica
Nov 21, 2025 · Plant - Stem Structure, Function, Types: A plant body consists of stems, leaves, roots, flowers, fruits, and seeds. Stems are usually the main axis of a plant, leaves act as the …
Grassland - Biodiversity, Ecosystems, Flora | Britannica
Nov 28, 2025 · A savanna is a vegetation type characterized by an open tree canopy with scattered trees above a continuous layer of tall grasses. They are typically found in tropical …
Botany | Definition, History, Branches, & Facts | Britannica
Until the invention of simple lenses and the compound microscope, the recognition and classification of plants were, for the most part, based on such large morphological aspects of …
Sahara - Flora, Fauna, Ecosystems | Britannica
Dec 21, 2025 · The vegetation of the Sahara is particularly noteworthy for its many unusual adaptations to unreliable precipitation. These are variously seen in morphology—including root …
Plant cell | Definition, Diagram, Model, Labeled, Characteristics ...
Dec 5, 2025 · A plant cell is the basic unit of all plants. Plant cells, like animal cells, are eukaryotic, meaning they have a membrane-bound nucleus and organelles. Their …