Practice Flashcards
(16 cards)
Definition of Biology
The scientific study of life
Bios
Life
Factors that make an organism living
metabolism, reproduces, and maintains homeostasis
Metabolism
the chemical processes that occur within a living organism in order to maintain life.
Homeostasis
Regulate internal environment in response to external changes
autotroph
An organism that makes its own food
What is “autotroph” mean in greek?
self-feeding
Define photoautotrophs
Organisms that use light as a source of energy to synthesize organic substances.
Chemoautotrophs
An organism that uses chemical energy and CO2 to make energy
Heterotrophs is Greek for…
Different feeding
heterotroph
use organic material as a source of carbon
Chemoheterotrophs
An organism that must consume organic molecules for both energy and carbon.
Photoheterotrophs
An organism that uses light to generate ATP but that must obtain carbon in organic form
sexual reproduction
the process of union of haploid gametes that results in a diploid zygote that develops into a new individual with different DNA
asexual reproduction
process of reproduction involving a single parent that results in offspring that are genetically identical to the parent
DNA is made up of
adenine, guanine, cytosine, thymine
