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Apr 28, 2017 · Producers are the primary source of biomass on earth. They form the bottom of all energy pyramids and are the first trophic level in every ecosystem. Primary producers harness the energy from the sun or from chemical reactions and fix inorganic carbon in the form of carbohydrates. Their role in sequestering carbon dioxide makes them crucial for ...
Apr 27, 2017 · Commensalism Definition. Commensalism is a relationship between two organisms in which one organism benefits, and one is unaffected. This can be contrasted with other types of symbiosis, such as mutualism and parasitism. The supposed difference between commensalism and other types of symbiosis is that in commensalism, the second party or host ...
May 22, 2022 · Mutualism is a common form of symbiosis, so there are many examples of these relationships. Here are 10 examples of mutualism: Bees and Flowers: The relationship between bees and flowers is an example of obligate mutualism. Many flowering plants can’t reproduce without insect pollinators.
Oct 4, 2019 · Dichotomous Key Definition. A dichotomous key is a tool created by scientists to help scientists and laypeople identify objects and organisms. Typically, a dichotomous key for identifying a particular type of object consists of a specific series of questions. When one question is answered, the key directs the user as to what question to ask next.
May 25, 2023 · Assimilation in biology is defined as the process in which living organisms integrate the nutrients from various external resources into their body and utilizes them to satisfy the energy demands required to stay alive. In another meaning, assimilation refers to the absorption of vitamins, minerals, and other chemicals from food within the ...
May 29, 2023 · Fitness refers to the biological condition in which a competing variant is increasing in frequency relative to other competing variants in a population. In general, fitness pertains to the state or quality of being fit, e.g. physically or mentally, as in physical fitness. It means the capability to perform a function based on its suitability.
Departing from traditional textbooks, XBio presents biology as detective work; a bold search for knowledge, and not just its memorization. XBio is a collaboration between and. This program was supported in part by a grant to iBiology from the Howard Hughes Medical Institute. The Bio-Dictionary helps you to understand common terms in biology.
