Search Results for: alive
Non-living thing
Non-living Thing Definition A non-living thing in biology means any form without a life, such as an inanimate body or... Read More
Living things
Living Things Definition A living thing pertains to any organism or a life form that possesses or shows the characteristics... Read More
Plant cell
Plant Cell Definition A plant cell refers to any cell of a plant. It is the structural and functional unit of plants. Plant... Read More
Parasitism
Organisms depend on different sources of food to survive. Larger organisms like plants make their own food (autotrophs) and... Read More
Plant Tissues
Plants are composed of three major organ groups: roots, stems, and leaves. As we know from other areas of biology, these... Read More
Density dependent factor
Density-dependent factors are the limiting factors of an ecosystem that regulate population growth in a density-dependent... Read More
Allopatric speciation
We can define speciation as a process by which the novel genetically independent group of organisms are formed through the... Read More
Biotic factor
Biotic Factor Definition A biotic factor is the living component in an ecosystem. The term "biotic" means "of or related... Read More
Senescence
Senescence Definition Senescence is defined as biological aging. In cell biology, it refers to the cell wherein it is no... Read More
Sagittal plane
The sagittal plane is the plane that allows us to see the world in bilateral symmetry. Whether reaching for a high shelf,... Read More
"Mummified" Dinosaur Discovered In Montana
By Hillary Mayell An onsite restoration drawing of how "Leonardo" may... Read More
Chlorenchyma
Definition noun A parenchyma cell with chloroplasts, and is therefore photosynthetic Supplement Vascular plants are... Read More
Collenchyma
Definition noun, plural: cholenchymas (botany) A fundamental type of tissue in plants characterized by cells with thicker... Read More
Dichotomous
Several English words are widely used across different fields of Science. One such term is dichotomous. We often use this... Read More
Cell Biology
The cell is defined as the fundamental, functional unit of life. Some organisms are comprised of only one cell whereas... Read More
Water in Plants
The movement of molecules, specifically water and any solutes, is vital to understand in light of plant processes. This will... Read More
Evolution of Life – Ancient Earth
Continuing from the previous tutorial investigating the origins of life on Earth.... Life began to flourish, and the... Read More
Population Regulation in an Ecosystem
Darwin focused some of this work in regards to the population size of a species, and what factors may affect them. He... Read More
Indicator Species and Endangered Species
Indicator Species Certain species are capable of expressing characteristics that can indicate the state of the ecosystem... Read More
ATP & ADP – Biological Energy
ATP stands for adenosine triphosphate, and is the energy used by an organism in its daily operations. It consists of an... Read More
Thanatosis – Faking Death To Escape Doom
Thanatosis -- pretending to be dead -- is one of the best strategies that certain wild animals came up with in order to... Read More
RNA-DNA World Hypothesis?
How did life start as we know it? In the scientific community, the "RNA World Hypothesis" has many adherents. Many believed... Read More
Cell theory
What Is Cell Theory? Biological cell theory explains the idea of organismal constitution, structure, and function. It... Read More
Ground tissue
Definition noun, plural: ground tissues (botany) Any of the non-dermal, non-vascular tissue of vascular... Read More
