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Roots in Biological Definition

Homunculus

... during the last convulsive spasms before death fell to the ground, and its roots vaguley resemble a human form to varying degrees. The root was to be ... in the game to escape his death. He seems to be a real homunculus, as his roots seem to be in the age of the alchemists. Very little is known about his ...

Alga

... lines of evolutionary development, although they all appear to have acquired photosynthesis from cyanobacteria . All algae lack true leaves , roots , flowers , and other tissue structures found in higher plants. They are distinguished from bacteria and protozoa in that they are ...

Endodermis

... Endodermis is the bottom layer of skin . In plants, it is a thin layer of parenchyma found in roots , just outside the vascular cylinder. It regulates the flow of water. Endodermis is tightly packed together and contains Casparian strips on their ...

Eukaryote

... root of the evolutionary tree belongs, and as a result what the earliest eukaryotes were like. References S. L. Baldauf (2003). The Deep roots of Eukaryotes. Science 300: 1703-1706 [1] ...

Fungus

... vulnerable to toppling. The vast majority of vascular plants are associated with mutualistic fungi, called mycorrhizae , which assist their roots in absorption of nutrients and water . Contents showTocToggle("show","hide") 1 Human consumption 2 Structure 3 ...

Herbivore

... eating leaves . This specialization is far from universal, however, and many fruit- and leaf-eating animals also eat other parts of plants, notably roots and seeds . The diets of some herbivorous animals vary with the seasons, especially in the temperate zones , where different plant foods are most ...

Joint

... and are movable. Examples of fibrous joints are: Cranial sutures , joining the bones of the cranium . Gomphoses , the joints between the roots of the teeth and their sockets (or alveoli ) in maxilla and mandible . See also: condyloprotector , arthritis . ...

Phloem

... any part of the plant that is producing or releasing sugar. During the plant's growth period, usually during the spring, storage organs such as the roots are sugar sources, and the plant's many growing areas are sugar sinks. The movement in phloem is bidirectional, wheras in xylem cells, it is ...

Alga

... lines of evolutionary development, although they all appear to have acquired photosynthesis from cyanobacteria . All algae lack true leaves , roots , flowers , and other tissue structures found in higher plants. They are distinguished from bacteria and protozoa in that they are ...

Phylogenetic tree

... a tree derived from a rooted phylogenetic tree by omitting the root. More precisely, it is a forest of rooted phylogenetic trees depicted so that the roots are all linked. Figure 2 depicts an unrooted phylogenetic tree¹ for myosin , a superfamily of proteins . Links to other pictures are given ...

Plant

... are the multicellular land plants, called embryophytes . They include the vascular plants , plants with full systems of leaves , stems , and roots . They also include a few of their close relatives, often called bryophytes , of which mosses are the most common. All of these plants have ...

Plant

... are the multicellular land plants, called embryophytes . They include the vascular plants , plants with full systems of leaves , stems , and roots . They also include a few of their close relatives, often called bryophytes , of which mosses are the most common. All of these plants have ...

Xylem

... inorganic ions, such as nitrate , although it can contain a number of organic chemicals as well. Mechanism Xylem sap always moves from the roots to the leaves . It travels by bulk flow , like water in a series of pipes, rather than by diffusion through cells. Two phenomena cause xylem sap ...
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