Study Guide 1 Flashcards
Prokaryotic
any of the typically unicellular microorganisms that lack a distinct nucleus and membrane-bound organelles and that are classified as a kingdom .
Eukaryotic
An organism whose cells contain a nucleus surrounded by a membrane and whose DNA is bound together by proteins (histones) into chromosomes.
Unicelluar
An organism has One cell
Multicellular
An Organism has more than one cell.
Autotrophic
An organism that manufactures its own food from inorganic substances, such as carbon dioxide and ammonia
Heterotrophic
A heterotroph is an organism that cannot produce its own food, relying instead on the intake of nutrition from other sources of organic carbon, mainly plant or animal matter.
Sexual reproduction
the production of new living organisms by combining genetic information from two individuals of different types (sexes)
Asexual reproduction
Asexual reproduction is a type of reproduction by which offspring arise from a single organism, and inherit the genes of that parent only
Stimuli
a thing or event that evokes a specific functional reaction in an organ or tissue.
Homeostasis
the tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes.
Evolution
the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.
Classification
the action or process of classifying something according to shared qualities or characteristics.
Taxonomy
the branch of science concerned with classification, especially of organisms; systematics.
Cell
the smallest structural and functional unit of an organism,
Tissue
any of the distinct types of material of which animals or plants are made, consisting of specialized cells and their products.