BIO 1ST SET Flashcards
feed on dead tissues or organic waste (decomposers)
saprophytes/saprobes
manufacture food from non living sources
producers
the standard by which the test results can be compared
control
general wqay to answer questions and test ideas
scientific method
An organism that obtains energy and nutrients by feeding on other organisms or their remains.
consumer
organisms that break down wastes and dead organisms and return raw materials to the environment
decomposers
A tendency to maintain a balanced or constant internal state; the regulation of any aspect of body chemistry, such as blood glucose, around a particular level
homeostasis
Process by which a single parent reproduces by itself
asexual
A reproductive process that involves two parents that combine their genetic material to produce a new organism, which differs from both parents
sexual
A characteristic that improves an individual’s ability to survive and reproduce in a particular environment.
adaptation
the principle that, among the range of inherited trait variations, those contributing to reproduction and survival will most likely be passed on to succeeding generations
natural selection
an organism that lives in or on another organism; one who lives off another person
parasite
an organism that may resort to parasitic activity, but does not absolutely rely on any host for completion of its life cycle
facultative parasite
prefers live organic matter as a source of nutrition but can adapt to the use of dead organic matter under certain conditions
,facultative saprophyte
basic unit of classification
species
