Refers to the process by which a body of water becomes overty enriched with nutrients, typically nitrogen and phosphorus. This excess of nutrients often comes from human activities such as agricultural runoff, sewage discharge, and the use of fertilizers. As a result, it stimulates the excessive growth of algae and other aquatic plants. The increased plant growth can lead to a series of ecological problems.
The algae and plants eventually die and decompose, and this decomposition process consumes oxygen, depleting oxygen levels in the water. Low oxygen levels can harm fish and other aquatic organisms, leading to a condition known as hypoxia. Eutrophication can disrupt the balance of ecosystems, negatively impacting water quality, biodiversity, and the overall health of aquatic environments.
Phagocytosis is a biological process in which cells engulf and digest solid particles or other cells. It is a type of endocytosis, where the cell membrane surrounds the particle and forms a vesicle, which is then internalized into the cell.
Autotrophic organisms are those that can produce their own food using inorganic substances, typically through photosynthesis or chemosynthesis. In photosynthesis, plants, algae, and some bacteria use sunlight to convert carbon dioxide and water into glucose (a form of sugar), releasing oxygen as a byproduct. Chemosynthesis is a process where certain bacteria use chemical energy to produce organic compounds from inorganic substances.
Refers to organisms that cannot produce their own food and instead rely on consuming organic substances, such as plants or other animals, for nutrition.
A mode of reproduction in which a new offspring is produced by a single parent. The new individuals produced are genetically and physically identical to each other, i.e., they are the clones of their parents.
Protista is a kingdom that includes a diverse group or eunaryouc microorganisms that are mainly unicellular. This kingdom is considered a "catch-all" category for organisms that don't fit neatly into the plant, animal, or fungi kingdoms.