Glossary from chapter 1.1 of the book OpenStax, Concepts of Biology. OpenStax CNX
This glossary was extracted from the OpenStax, Themes and Concepts of Biology. OpenStax CNX. Oct 29, 2014 which is licensed under a Creative Commons Attribution 4.0 International License.
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a basic unit of matter that cannot be broken down by normal chemical reactions
the study of living organisms and their interactions with one another and their environments
a collection of all ecosystems on Earth
the smallest fundamental unit of structure and function in living things
a set of populations inhabiting a particular area
all living things in a particular area together with the abiotic, nonliving parts of that environment
an organism with cells that have nuclei and membrane-bound organelles
the process of gradual change in a population that can also lead to new species arising from older species
the ability of an organism to maintain constant internal conditions
a large molecule typically formed by the joining of smaller molecules
a chemical structure consisting of at least two atoms held together by a chemical bond
a structure formed of tissues operating together to perform a common function
the higher level of organization that consists of functionally related organs
a membrane-bound compartment or sac within a cell
an individual living entity
a diagram showing the evolutionary relationships among biological species based on similarities and differences in genetic or physical traits or both
all individuals within a species living within a specific area
a unicellular organism that lacks a nucleus or any other membrane-bound organelle
a group of similar cells carrying out the same function