What is the weight of living organisms in an ecosystem at a particular point in time?
biomass, the weight or total quantity of living organisms of one animal or plant species (species biomass) or of all the species in a community (community biomass), commonly referred to a unit area or volume of habitat. The weight or quantity of organisms in an area at a given moment is the standing crop.
What term describes the use of mathematical equations in the modeling of linear aspects of ecosystems quizlet?
The ability of an ecosystem to return to its equilibrium state after an environmental disturbance is called ________. … What term describes the use of mathematical equations in the modeling of linear aspects of ecosystems? analytical modeling. The position of an organism along a food chain is known as its ________.
What is adaptive radiation quizlet?
Adaptive Radiation. –The evolution of many diverse species from a common ancestor. Adaptations. -allow them to fill new habitats or roles in their communities.
What does the term biomagnification mean quizlet?
What is biomagnification? the concentration of toxins in an organism as a result of its ingesting other plants or animals in which the toxins are more widely disbursed. … Biomagnification increases the concentration of toxic substances in organisms at higher trophic levels.
What term describes the movement of toxins through a community?
biomagnification. which term describes the process whereby toxic substances increase along trophic levels of an ecosystem. chemoautotrophs. organisms that ca make their own food using inorganic molecules are called. the primary producers have a high turn over rate.
What term is used to describe an organism that makes its own food?
An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals. Because autotrophs produce their own food, they are sometimes called producers. … Most autotrophs use a process called photosynthesis to make their food.
A network of many food chains is called a food web. … Primary producers (organisms that make their own food from sunlight and/or chemical energy from deep sea vents) are the base of every food chain – these organisms are called autotrophs.